Photo Credits

Grade 6

Facing Fear BananaStock/Jupiterimages/Getty Images

How Can Adrenaline Help You Lift a 3,500-Pound Car?: ©Digital Vision/Getty Images
Fear prompts teens to act impulsively: Brand X Pictures/Getty Images
Acrophobia: Ragnar Schmuck/fStop/Getty Images
What Fear Can Teach Us: ©ollyy/Shutterstock
The Marvelous, Misunderstood Life of Common Spiders: ©nico99/Shutterstock
Why Do We Fear?: Image 100/Jupiterimages/Getty Images
Searching the Brain for the Roots of Fear: ©Redmond O. Durrell/Alamy
10 Common Nightmares: ©Stockbyte/Getty Images
“Brave Man’s” glass bridge offers vertigo-inducing views: Visions of America, LLC/Alamy
Facebook Catches Two Chatbots Speaking Their Own Language: ©ThomasVogel/Getty Images
Phobias and Irrational Fears: ©sebra/Shutterstock
How to Love Horror When You’re a Weenie: ©Antonio Guillem/Shutterstock
Phobia Makes Spiders Appear Larger Than They Are: ©slobo/iStockphoto.com
Aaahh! The world’s scariest roller coasters: John Foxx/Stockbyte/Getty Images
10 Signs That You Might Have Fear of Failure: ©Cardinal/Corbis
Lightning: Artville/Getty Images
Facing Your Fear: ©Daisy Daisy/Shutterstock
Why ‘Scary Stories to Tell in the Dark’ Frightened So Many Parents in the 1990s: ©Vit Kovalcik/Shutterstock
The Benefits of Fear: ©Marili Forastieri/Photodisc/Getty Images
5 ways to face your fears through travel: ©Corbis

Animal Intelligence ©Digital Vision/Getty Images

Elephants Outwit Humans During Intelligence Test: Richard van Kesteren/Alamy
How Smart Is An Octopus?: ©Paul Whitehead /Alamy
Horses are smarter than we realize: Comstock/Getty Images
What Do Cats Think About Us? You May Be Surprised: Comstock/Getty Images
Animal Cam Education: ©goce risteski/iStockphoto.com/Getty Images
Pigcasso: Pot-Bellied Pig Produces Award-Winning Art In Mokelumne Hill: ©foodonwhite/Shutterstock
First Proof That Wild Animals Really Can Communicate With Us: © searagen / Alamy
A New Frontier in Animal Intelligence: ©Digital Vision/Getty Images
Cats Are Not Dependent on Humans, Study Shows: DAJ
Guard Dogs 101: What You Need to Know Before Getting a Dog for Protection: ©Digital Vision/Getty Images
Dogs Detecting Disease: Meet America’s Cancer-Sniffing Canines: Comstock/Getty Images
New Zealand’s Sea Lions Have Returned: Crashing Soccer Games, Golf Courses, and Public Pools: ©Alexey Seafarer/Shutterstock
Opinion: We Didn’t Domesticate Dogs. They Domesticated Us.: ©Cybernesco/iStockphoto.com
Bat Echo: Rolf Nussbaumer Photography/Alamy
What’s the Waggle Dance? And Why Do Honeybees Do It?: Don Farrall/Digital Vision
Yes, Animals Think and Feel. Here’s How We Know: ©Ermolaev Alexandr/Adobe Stock
Like humans, these big-brained birds may owe their smarts to long childhoods: ©Ivan Bliznetsov/iStockphoto.com
Police geese: A Chinese crime-fighting plan isn’t quite as ridiculous as it sounds:
Monkeys Can Do Math: ©DLILLC/Corbis
Tool Use Found in Octopuses: ©Juniors Bildarchiv/Alamy

Dealing with Disaster ©Corbis

Housing the Victims of Natural Disaster: ©John Nakata/Corbis
Landslide Safety: ©Alfsky/iStockphoto.com
Johnstown Dam Tragedy: ©Ilene MacDonald/Alamy
How frigid polar vortex blasts are connected to global warming: ©Dreef/iStock/Getty Images
What to do if you’re in the middle of a power outage: ©Pixsooz/Shutterstock
Hurricane Hunters Association: Courtesy National Oceanic and Atmospheric Administration
Can We Predict Earthquakes?: ©John Nakata/Corbis
Building a Rescue Roach: ©Dr. Morley Read/Shutterstock
Even kids can have a role in helping after natural disasters: ©Blend Images - KidStock/Brand X Pictures/Getty Images
Suez Canal reopens after giant stranded ship is freed: ©Carabay/Fotolia
One of the Worst Man-Made Disasters in History: ©GoJo024/iStockphoto.com/Getty Images
About Pet and Disaster Safety: ©Ermolaev Alexander/Shutterstock
Bert the Turtle Ducks and Covers: National Archives and Records Administration
In Eastern Alabama, communities reel from tornado’s “annihilation”: ©D. Falconer/PhotoLink/Photodisc/Getty Images
Masks and gloves are saving lives—and causing pollution: ©Siede Preis/Photodisc/Getty Images
Michael McDaniel: Cheap, Effective Shelter for Disaster Relief: Credit: U.S. Air Force photo by Master Sgt. Bill Huntington
How social media is helping Nepal rebuild after two big earthquakes: ©Martin Gillespie/Shutterstock
A Desk That Can Take a Ton of Earthquake Rubble: ©Ryan McVay/Photodisc/Getty Images
Massive Fire Engulfs Beloved Notre Dame Cathedral in Paris: ©Corbis
Global Climate Change Interactive Features: ©Sino Images/Getty Images

Making Your Voice Heard ©Alvaro Ortiz/Houghton Mifflin Harcourt

What Is Democracy?: ©Fotosearch/Getty Images
Ai Weiwei Alcatraz tour: Legos, protest songs and prison cells: Photodisc/Getty Images
Haters Gonna Hate. Teen Girl Activists Shake it Off and Try Again: ©Monkey Business Images/Shutterstock
Behold, the power of a good idea!: Jupiterimages/Getty Images
Navigating the Election Process for Students and First Time Voters: ©adamkaz/Getty Images
Horse (Exhibition): Comstock/Getty Images
Cave Paintings and Artifacts: ©Shutterstock
Introvert Teens Can Make Effective Leaders: ©Image Source/Getty Images
From Activist to Author: How 12-Year-Old Marley Dias Is Changing the Face of Children’s Literature: ©connel/Shutterstock
How Classroom Political Discussions — Controversies, Too — Prepare Students for Needed Civic Participation: ©Monkey Business Images/Shutterstock
Dangerous Exotic Pets: ©Ocean/Corbis
How British scientist Hertha Marks Ayrton discovered the secret of ripples: Stockbyte/Getty Images
Breaking the Silence: ©Big Cheese Photo LLC/Alamy
In this California classroom, students teach each other their home languages— and learn acceptance: ©John & Lisa Merrill/Photodisc/Getty Images
Teens on a Year That Changed Everything: ©Edwin Verin/Shutterstock
Students Use the Los Angeles Marathon as a Way to Keep Going: ©PhotoLink/Photodisc/Getty Images
Order to the Chaos of Life: Isabel Allende on Writing:
How improv comedy helped a teen with autism: ©Comstock/Getty Images
Detroit woman wants to play in the NFL. Here’s why you shouldn’t doubt her: ©PhotoLink/Photodisc/Getty Images
Disability activist shares biggest tips for young people who want to make a difference: ©wellphoto/Shutterstock

Decisions That Matter ©Radius Images/Alamy

Mark Bezos: A Life Lesson from a Volunteer Firefighter: Photodisc/Getty Images
Wilma Mankiller, Cherokee Chief and First Woman to Lead Major Tribe, Is Dead at 64: ©Comstock Images/Getty Images
Colin Powell: ©Houghton Mifflin Harcourt
Last stop — graduation: Utah refugee’s nearly 5-hour commute pays off: ©Syda Productions/Shutterstock
Decatur students get historic marker approved to memorialize MLK’s arrest, release: ©Courtesy: CSU Archives/Everett Collection Inc/Alamy
7 Scientific Facts About the Benefit of Doing Good: ©sezer66/Shutterstock
What Happened to the Two Other Men on Paul Revere’s Ride?: jStock/Fotolia
Rosa Parks: ©Ilene MacDonald/Alamy
Having Too Many Choices Is Making You Unhappy: ©asierromero/Fotolia
A war of independence that divided American colonies: ©Ivy Close Images/Alamy
A high school student needed help with tuition, so an unlikely group stepped up: prison inmates: Photodisc/Getty Images
Little Rock Central High School: National Historic Site: ©Robert W. Ginn/Alamy
Flight 93: ©Mikhail Starodubov/Shutterstock
Wilma Mankiller: ©Houghton Mifflin Harcourt
Thurgood Marshall: ©Glynnis Jones/Shutterstock
Farmers across India have been protesting for months. Here’s why:: ©Radiokafka/Shutterstock
A Pep Talk from Kid President to You: Photodisc/Getty Images
Saving a Lost Language: Oliver Gerhard /Alamy
Decision-Making Strategies: SW Productions/Photodisc/Getty Images
Linda Brown obituary: ©Douglas Toombs/Shutterstock

What Tales Tell The Palma Collection/Getty Images

Where Did Dragons Come From?: Goodshoot/Jupiterimages/Getty Images
Archaeological Evidence of Homer’s Trojan War Found: ©Marion Bull/Alamy
‘Hamilton’ the Broadway musical is now a dazzling book: ©Stockbyte/Getty Images
The Pre-Viking Legend of Ragnarӧk: ©Corbis
Fairy Tales Are Over 6,000 Years Old: ©SongSpeckels/iStockphoto.com
More ‘disease’ than ‘Dracula’—how the vampire myth was born: ©Ysbrand Cosijn/Shutterstock
Library of Congress Digs into 170 Billion Tweets: Jupiterimages/Getty Images
Atlantis—True Story or Cautionary Tale?: ©DeVIce/Fotolia
The World’s Oldest Papyrus and What It Can Tell Us About the Great Pyramids: ©PhotoLink/Photodisc/Getty Images
Why Myths Still Matter: Hercules and His 12 Healing Labors: ©Houghton Mifflin Harcourt
How we showed Homer’s Odyssey is not pure fiction, with a little help from Facebook: ©DeiMosz/Shutterstock
20 Must-Read Middle Grade Fairytale Retellings: ©Federico Caputo/Alamy
Was There a Trojan War?: ©Houghton Mifflin Harcourt
King Arthur: Bradley Mason/Vetta/Getty Images
Why Are Dragons Important in Chinese Culture?: ©imagebroker/Alamy
Why Black Panther’s representation matters, according to the cast: ©Ocean/Corbis
Quiz: What YA mythological tale should you read next?: ©connel/Shutterstock
The Tragic Myth of the Sun God’s Son: ©Houghton Mifflin Harcourt
Author Says a Whole Culture—Not a Single “Homer”—Wrote “Iliad,” “Odyssey”: ©Houghton Mifflin Harcourt
Mark Twain: ©Folio/Alamy

Grade 7

Bold Actions

Pat Tillman: Biography: Photodisc/Getty Images
Bombing Survivor Rebekah Gregory On Marathon: ‘I Took My Life Back Today’: ©Christopher Futcher/E+/Getty Images
Meet Simon Wheatcroft, the blind ultramarathon runner: ©Maridav/iStockphoto.com
These Women Stepped In to Fill a WWII Pilot Shortage: U.S. Air Force photo
Moderna struggles to find 3,000 adolescent volunteers needed for COVID-19 vaccine trial: ©BSIP SA/Alamy
Heroic Georgia dog fights off coyote pack preying on flock of sheep: ©Cristi Matei/Shutterstock
San Jose Teen Honored as Hero For Yosemite Rescue: Photodisc/Getty Images
Nellie Cashman – Pioneering the Mining Camps: ©Houghton Mifflin Harcourt
Book Excerpt from The Mountain: My Time on Everest: ©Getty Images
Brazilian Big-Wave Surfer Sets a Record: ©Willyam Bradberry/Shutterstock
The Historic Ski Descent of Half Dome: Photodisc/Getty Images
Female Naval aviators flying high to make history at the Super Bowl: Kim Steele/Photodisc/Getty Images
The road to ruin: are ultra-endurance events worth the risk?:
Kayla Montgomery: Young runner’s brave battle with MS: ©Warren Goldswain/Shutterstock
Navigating Without the Crutch of Technology: ©Andrey_Kuzmin/Shutterstock
Sky Racing: Competitive Paragliding With the World’s Best: jennyt/Shutterstock
What’s your risk of catching COVID? These tools help you to find out: ©mm88/iStockphoto.com
She awoke from a coma. Five months later, she ran the Boston Marathon.: ©Serega/iStockphoto.com
College athletes take steps to form labor union: ©Design Pics/Superstock
Teen sets record as youngest pilot to circle the globe: Jupiterimages/Getty Images

Perception and Reality

Why Your Brain Sometimes Hears Sounds That Don’t Exist: ©VLADGRIN/Shutterstock
The size of your brain’s visual center affects how you see the world: ©Sergey Nivens/Shutterstock
We See Colors Differently Based On Season: Martin Ruegner/Getty Images
How your eyes trick your mind: ©Mark Grenier/Shutterstock
Makeup Artist Transforms Her Face Into Mind-Bending Optical Illusions: ©Mila Supinskaya Glashchenko/Shutterstock
The Best Illusions of the Year Will Leave Your Brain Hurting More Than 2021 Did: ©Vinicio Chirivi/EyeEm/EyeEm/Getty Images
The Most Amazing Optical Illusions (and How They Work): ©fotoadrenalina/iStockphoto.com
Animation basics: The optical illusion of motion: ©Brand X Pictures/Getty Images
Your Warped Perception of Time: Radius Images/Corbis
Japanese tour firm offers virtual reality holidays – with a first-class seat: Getty Images Royalty Free
Why do people fall for misinformation?: ©Gabe Palmer/Alamy
‘Evil Genius’: Mind-Bending Illusion Built Into Skyline Confuses Internet: ©Don Couch/Houghton Mifflin Harcourt
Dalston House: Where Every Visitor Becomes Spider-Man: ©PMac Imagery - Travel/Alamy
Memory contaminates perception: Jupiterimages/Getty Images
The Nature of Natural: What We See in the Upside-Down Trees: Odilon Dimier/PhotoAlto/Getty Images
What Is Sonic Seasoning? Listening To Music Can Actually Change How Your Coffee Tastes: Photodisc/Getty Images
“Reality” is constructed by your brain. Here’s what that means, and why it matters.: ©Yuriy Vlasenko/Shutterstock
The Dunning-Kruger Effect, or ‘why incompetent people think they’re amazing’: ©Corbis
An animated lesson full of adorable animals made of autumn leaves: ©dibrova/Shutterstock
How pickpockets trick your mind: ©Emanuele Taroni/Photodisc/Getty Images

Nature at Work

Mesmerizing Migration: ©DLILLC/Corbis
Mountains and planning lessened punch by Hurricane Patricia: ©Stocktrek Images, Inc./Alamy
February 2017 Featured School: Nathaniel Narbonne High School: ©Don Couch/Houghton Mifflin Harcourt
The Deadliest Known Natural Disasters By Type: ©Photo by cuellar/Getty Images
‘Forest gardens’ show how Native land stewardship can outdo nature: ©Digital Vision/Getty Images
Pablo Neruda: Photodisc/Getty Images
Oak Tree: Nature’s Greatest Survivor review: ©Getty Images
China Has Officially Started Construction on the World’s First “Forest City”: Peter Haigh/Digital Vision/Getty Images
Dogs Can Sniff Out Cancer With Nearly 97% Accuracy, Says Study: Comstock/Getty Images
The Benefits of Digging in the Dirt: Image Source/Getty Images
Why Dogs Have Floppy Ears: An Animated Tale: Jupiterimages/Getty Images
10 natural wonders in the United States that set records: Robert Glusic/Corbis
El Niño: Ryan McVay/Photodisc/Getty Images
Awesome Animals: The Piglet Squid: ©Digital Vision/Getty Images
How Two Big Earthquakes Triggered 16,000 More in Southern California: ©Houghton Mifflin Harcourt
How Dogs and Humans Evolved and Migrated in Tandem: ©Lightfieldstudiosprod/Dreamstime
What is a Green Roof?: ©Stephanie Friedman/Houghton Mifflin Harcourt
Underdogs: The Bloodhound’s Amazing Sense of Smell: ©Per Dahl/Getty Images Royalty Free
What’s it like to live without nature?: ©Christopher Meder/Shutterstock
15 Examples of the Most Epic Metamorphoses from Youth to Adult: ROM/imagebroker/Alamy

Risk and Exploration

Exoplanet Travel Bureau: ©Stocktrek Images/Getty Images
Out of Eden Walk: ©Ryan McVay/Photodisc/Getty Images
Explorer Vasco da Gama’s Shipwreck Found: ©Corbis
Blue Planet II: What you can do to help save our oceans: ©Shutterstock
He went where no human had gone before. Our trash had already beaten him there.: ©Kip Evans/Alamy
Why is this 2,500 year old shipwreck so well-preserved?: ©Andrew Jalbert/Dreamstime
Platforms: Submersibles: Anndrey Nekrasov/Alamy
The new lighter-than-air race for space: ©3DSculptor/iStock/Getty Images
All Systems Go for NASA’s Mission to Jupiter Moon Europa: ©Stocktrek Images/Getty Images
Final frontiers: rainforests: ©Edmond Van Hoorick/Photodisc/Getty Images
Here are 7 creative ways you can still explore the world: ©Alexandru Nika/Shutterstock
7 Characteristics of Heroism: ©fergregory/Fotolia
Eating on Mars? Be Sure to Pack the Tortillas: Photodisc/Getty Images
Decade-Old Rover Adventure Continues on Mars and Earth: NASA
Clare Students on Top of the World after Claiming NASA Prize with Radical Idea: ©Tim Pannell/Corbis
7 Technologies That Are Revolutionizing Ocean Exploration: ©Corbis
The majestic Earth as seen through the eyes of astronauts orbiting above: ©Digital Vision/Getty Images
Yes, scientists are actually building an elevator to space: ©Photobank gallery/Shutterstock
What Hardships Did Early Explorers Face?: ©Galina Barskaya/Shutterstock
Philae lander makes historic touchdown on comet: courtesy of NASA

The Stuff of Consumer Culture

How Teenagers Spend Money: Comstock/Getty
With a Few Bits of Data, Researchers Identify ‘Anonymous’ People: ©Pressmaster/Shutterstock
Souvenirs are an important part of the holiday experience: ©D. Hurst/Alamy
People Are Paying Insane Amounts of Real Money for “Virtual Real Estate”: ©karamysh/Shutterstock
The Mask Barons of Etsy: ©Nenad Aksic/Shutterstock
Will The 2020s Be Like The Roaring 20s?: ©Pictorial Press Ltd/Alamy
Too Much TV Linked to Future Fast-Food Intake: Alamy
You can’t talk about millennials without mentioning this:
Economy in The 1950s: ©ollyy/Shutterstock
Why People With Disabilities Want Bans On Plastic Straws To Be More Flexible: MNPhoto/Alamy
The Invisible Way That Marketers Set the Menu for Your Thanksgiving Feast: ©Monkey Business Images/Shutterstock
The balance of power is shifting in the tech industry: ©Comstock Images/Getty Images
Google Self-Driving Car Project: ©Eddie J. Rodriquez/Shutterstock
Overpopulation, overconsumption – in pictures: ©Alexander Gordeyev/Shutterstock
A student’s perspective on technology in her school and classroom: Tetra Images/Alamy
Get ready for a future in which your favorite products act like helicopter parents: ©laurent/iStockphoto.com
What Would You Do if You Won the Lottery?: ©Danilo Calilung/Corbis
How Ads (and People) Persuade You: ©Francisco Diez Photography/Flickr/Getty Images
The Psychology Of Vanity Sizing: Photodisc/Getty Images
The 11 Ways That Consumers Are Hopeless at Math: ©Steve Williams/Houghton Mifflin Harcourt

Guided by a Cause

How Cesar Chavez Changed the World: Photodisc/Getty Images
One 9 year old’s dream for changing the world — with knitting: ©Houghton Mifflin Harcourt
Homeless Hero Reader Stories: ©ArtisticCaptures/iStockphoto.com
Gitanjali Rao: Finding solutions to real problems: ©RBFried/iStockphoto.com
Decatur students get historic marker approved to memorialize MLK’s arrest, release: ©Courtesy: CSU Archives/Everett Collection Inc/Alamy
The Triangle Shirtwaist Factory Fire: Photos.com/Jupiterimages/Getty Images
Before Rosa Parks, A Teenager Defied Segregation On An Alabama Bus: ©Houghton Mifflin Harcourt
China Places We Protect: The Yangtze River: ©stephen rudolph/Shutterstock
This Tech Nonprofit Is Trying to Help Homeless People Get IDs: ©Kai_Wong/iStock/Getty Images
A high school student needed help with tuition, so an unlikely group stepped up: prison inmates: Photodisc/Getty Images
A moment that changed me – the Christmas I didn’t get any presents: ©Petro Feketa/iStockphoto.com
Hoping to aid veterans, Ohio teen invents physical therapy device: ©Ian Lishman/Juice Images/Corbis
Wangari Maathai: ©Shutterstock
This 12-year-old girl built a robot that can find microplastics in the ocean: ©Richard Whitcombe/Shutterstock
Farmers across India have been protesting for months. Here’s why:: ©Radiokafka/Shutterstock
12-Year-Old Invents Braille Printer Using Lego Set: Perry Mastrovito/Corbis
Life as a Young Carer: ©Kim Steele/Photodisc/Getty Images
3 brilliant inventions from a 12-year-old scientist: Planetpix/Alamy
Students ‘strike for climate’ across the United States: ©Alexander/Fotolia
Who were Las Mariposas, and why were they murdered?: ©tkacchuk/iStockphoto.com/Getty Images

Grade 8

Culture and Belonging ©iStockphoto.com

Soccer Helping Young Refugees Find Footing in U.S.: Image 100/Jupiterimages/Getty Images
‘Beyond Bollywood’: Inside the Smithsonian’s exhibition on Indian Americans: Hill Street Studios/Getty Images
Fighting Fiction with Facts: The BCN Anti-Rumor Campaign: Comstock/Getty Images
UChicago research finds location plays critical role in assimilation of U.S. immigrants: Houghton Mifflin Harcourt
‘There are no words’: As coronavirus kills Indigenous elders, endangered languages face extinction: Brand X Pictures/Getty Images
About the Author: Kao Kalia Yang: ©thaikrit/Shutterstock
How Culture Shapes Emotions: ©George Rudy/Shutterstock
What Americans Can Learn From Other Food Cultures: ©Shutterstock
My Identity as Haitian-American Is an Asset, Not a Deficit: ©Corbis
December Holidays around the World: Liquidlibrary/Jupiterimages/Getty Images
Kids Interpreting Medical Information to Parents: ©Rob Lewine/Getty Images
Yiddish Culture Takes Center Stage: ©aerogondo2/Shutterstock
Adapting to a New Culture: ©Payless Images, Inc./Alamy
Undocumented journalist describes immigrant experience, American dream: Comstock/Getty Images
‘Low and Slow’: Latino lowriders cruise for community: ©harlequin9/Fotolia
Newest Immigrants Assimilating as Fast as Previous Ones, Report Says: ©Paul Brennan/Shutterstock
What if everyone on Earth spoke the same language?: Comstock/Getty Images
About Our Antagonisms: ©bikeriderlondon/Shutterstock
Origins and Destinations of the World’s Migrants, 1990-2017: ©Houghton Mifflin Harcourt
Mardi Gras: ©benedek/iStock/Getty Images

The Thrill of Horror Rubberball/Getty Images

E-Book Recreates a Monster: ©Houghton Mifflin Harcourt
Why do we read scary books?: ©Tom Tom/Shutterstock
Beyond the Scream: What I Learned from Horror Movies: ©Voyagerix/Adobe Stock
Finding Frankenstein: On the trail of a monster across Europe: ©YorkBerlin/Shutterstock
Movies may cause special effects on the body: ©Crazytang/Getty Images/iStockphoto.com
Not Even Science Can Figure Out Which Horror Film is The Scariest Ever Made: ©Andrey Prokhorov/Getty Images/iStockphoto.com
HP Lovecraft: The man who haunted horror fans: ©Juniors Bildarchiv/Alamy
Scientists study the thrill of a chill: ©Exactostock/SuperStock
Brain scans gauge horror flick fear factor: ©Getty Images
Lovecraft tribute still haunting on a beautiful spring day: ©iStockphoto.com
The Krampus and Fear in the Holidays: ©Sumikophoto/Shutterstock
7 Horror Movie Tricks Used To Scare You: ©Maxim Blinkov/Shutterstock
Is horror the most disrespected genre?: ©kjohansen/iStockphoto.com
Movie Monsters, Monster Movies And Why ‘Godzilla’ Endures: Photodisc/Getty Images
Hollywood Horror: The Evolution of the Horror Movie Poster: ©STILLFX/Shutterstock
Horror movies tap into a primal fear instinct in your brain: ©Fuse/Corbis/Getty Images
Can Fear Actually Be Healthy? 5 Health Effects of Halloween Horrors: ©Mix and Match Studio/Shutterstock
How to Love Horror When You’re a Weenie: ©Antonio Guillem/Shutterstock
Is That a Movie or Video Game?: Jupiterimages/Getty Images
Frankenstein: Penetrating the Secrets of Nature: ©Houghton Mifflin Harcourt

The Move Toward Freedom Richard Nowitz/National Geographic/Getty Images

“12 Years a Slave” based on true story: Jupiterimages/Getty Images
10 Facts about the Emancipation Proclamation: Library of Congress
Jefferson Davis Statue Comes Down at University of Texas: ©Corbis
A Close, Intimate Look at Walt Whitman: Jupiterimages/Getty Images
America Has Tried Reparations Before. Here Is How it Went: ©NG Images/Alamy
History Restored: The Untold Story of Black Civil War Soldiers: ©steve estvanik/Shutterstock
One Man’s Epic Quest to Visit Every Former Slave Dwelling in the United States: Photos.com/Jupiterimages/Getty Images
Harriet Beecher Stowe: Jupiterimages/Getty Images
The Courage And Ingenuity Of Freedom-Seeking Slaves In America: ©drbimages/iStockphoto.com
Louisa May Alcott: Abolitionist, Suffragette, and Mercenary: ©Digital Vision/Getty Images
Health Inequality Actually Is a “Black and White Issue”, Research Says: ©RubberBall Selects/Alamy
How Samuel Mudd Went From Lincoln Conspirator to Medical Savior: National Park Service
Words From the Past Illuminate a Station on the Way to Freedom: Library of Congress
Rare Walt Whitman letter, written for a dying soldier, found in National Archives: ©Corbis
Harriet the Spy: How Tubman Helped the Union Army: ©Photos.com/Jupiterimages/Getty Images
Why Texas Still Celebrates Confederate Heroes Day: ©Digital Vision/Getty Images
Groundbreaking Slavery Exhibit Opens at Tennessee State Museum: ©Ilene MacDonald/Alamy
Richmond will fall again for 150th anniversary: ©Corbis
Who Was John Wilkes Booth Before He Became Lincoln’s Assassin?: National Parks and History Association
Walt Whitman and the Civil War: ©Corbis

Approaching Adulthood Jupiterimages/Getty Images

How Volunteer Work for Teens Works: ©mangostock/Shutterstock
Why Air Force Cadets Ought to Study Philosophy: Photodisc/Getty Images
Teaching Teenagers to Cope With Social Stress: ©godfer/Fotolia
Teens struggle to combat conformity: Creatas/Jupiterimages/Getty Images
Disability activist shares biggest tips for young people who want to make a difference: ©wellphoto/Shutterstock
When Does Adulthood Really Begin?: ©D. Hurst/Alamy
10 Supreme Court Cases Every Teen Should Know: Image Ideas/Jupiterimages/Getty Images
Teen Night Owls Struggle To Learn And Control Emotions At School: ©Dean Drobot/Shutterstock
The distracted teenage brain: ©slobo/E+/Getty Images
Teens around the world are lonelier than a decade ago. The reason may be smartphones.: ©fizkes/Shutterstock
Why teenagers take risks: ©djgis/Shutterstock
When I Grow Up: © jon challicom / Alamy
6 takeaways about teen friendships in the digital age: ©ra2studio/Shutterstock
Does Your Mother Still Do Your Laundry?: ©sirtravelalot/Shutterstock
Black interns: ‘You just need to give us a chance’: ©Flamingo Images/Shutterstock
Psychology says you need to achieve these 3 goals to become an adult: Hemera Technologies/Jupiterimages/Getty Images
Jon Savage on his documentary “Teenage”: ©Houghton Mifflin Harcourt
Most Students Don’t Know When News Is Fake, Stanford Study Finds: ©Kent Knudson/PhotoLink/Photodisc/Getty Images
Should the Voting Age be 16?:
Young, Black Native activists say it’s time to appreciate Indigenous diversity: ©funky-data/iStock/Getty Images

Anne Frank’s Legacy ©Shutterstock

Anne Frank: Jupiterimages/Getty Images
Israel donates hundreds of Anne Frank books to Tokyo libraries after vandalism: ©Martin Child/Photodisc/Getty Images
Nelson Mandela on the Diary of Anne Frank: ©BortN66/Shutterstock
Anne Frank to have official comic adaption; animated film coming soon: ©Hero Images Inc./Hero Images Inc./Corbis
Does “Never again!” mean anything if we do nothing about China’s concentration camps?: ©paul prescott/Shutterstock
Eddie Jaku: Holocaust survivor and peace campaigner dies aged 101: ©Georgios Tsichlis/Alamy
United States Holocaust Memorial Museum: ©Corbis
The Man Who Warned the West about the Holocaust, at a Time When No One Would Listen: ©Mariusz Niedzwiedzki/Shutterstock
The Sapling Project: ©Lawrence M. Sawyer/Photodisc/Getty Images
Who betrayed Anne Frank? New probe launched by ex-FBI agent: ©Pressmaster/Shutterstock
Anne Frank’s Message is Still Important Today: ©Tim Hall/Cultura/Getty Images
A baby was taken from her mother’s arms in the Holocaust. The family just reunited.: ©Tatiana Popova/Shutterstock
Proudly Bearing Elders’ Scars, Their Skin Says ‘Never Forget’: ©Corbis
Holocaust Remembrance Day Grows Roots: Anne Frank & the Sapling Project: ©Stephanie Friedman/Houghton Mifflin Harcourt
My Attempt to Free Anne Frank’s Diary: Comstock/Getty Images
World’s awkward silence over Rohingya genocide warnings: ©Corbis
Here’s Why Teens Keep Diaries: ©Blend Images - JGI/Jamie Grill/Brand X Pictures/Getty Images
In the footsteps of the women who escaped a Nazi death march: ©World History Archive/Alamy
I’ve Been Haunted by Anne Frank’s Memory for So Long: ©deckert/Fotolia
The Secret Annex Online: ©Don Farrall/Photodisc/Getty Images

The Value of Work ©Shutterstock

Teen entrepreneurs think ‘outside the box’ when starting their own businesses: ©Savushkin/E+/Getty Images
Teen Entrepreneurs – 11 Important Business Lessons from Teenage Entrepreneurs: ©Riccardo Piccinini/Shutterstock
Why Aren’t American Teenagers Working Anymore?: Rubberball/Getty Images
In 2019, Blue-Collar Workers Disappearing And In Hot Demand: Comstock/Getty Images
Study: You Really Can ‘Work Smarter, Not Harder’: ©Maridav/Shutterstock
Why Olympic Bronze Medalists Are Happier Than Silver Medalists: ©Pavel L Photo and Video/Shutterstock
Millennials in Search of a Different Kind of Career: ©Tom Mc Nemar/Fotolia
How to Start a Business Before You Graduate: Monalyn Gracia/Corbis
This is what American teenagers want to be when they grow up (they don’t want to work in offices): ©fatihhoca/iStockphoto.com
The Hidden Benefits of Hard Work: Dynamic Graphics/Getty Images
8 Ways Highly Successful People Carry out Successful Plans: ©Asier Romero/Shutterstock
How Do Work Breaks Help Your Brain? 5 Surprising Answers: ©Design Pics/Design Pics/Getty Images
10 Great Summer Jobs For Teens: ©Corbis
Five 21st Century Skills Kids Gain From Joining Robotics Teams: ©Ian Lishman/Juice Images/Corbis
5 Lessons About Hard Work from an Ultra-Marathon Runner: ©PhotoLink/Photodisc/Getty Images
Cesar Chavez: ©Digital Vision/Getty Images
The ‘maker movement’ creates D.I.Y. revolution: ©pniesen/iStockphoto/Getty Images
Many benefits for teens who work during the school year, study finds: Mark Andersen/Rubberball/Jupiterimages/Getty Images
The newest story from Mark Twain: ©Folio/Alamy
What Is Career and Technical Education, Anyway?: ©Compassionate Eye Foundation/Steven Errico/DigitalVision/Getty Images

Grade 9

Finding Common Ground Stockbyte/Getty Images

Eric Whitacre: A Virtual Choir 2,000 Voices Strong: ©Corbis
Meet the Tenacious Gardeners Putting Down Roots in “America’s Most Desperate Town”: ©KidStock/Blend Images/Getty Images
Novel Finding: Reading Literary Fiction Improves Empathy: ©tayindigo/Fotolia
How to disagree productively and find common ground: ©Hero Images/Hero Images/Getty Images
The pandemic has shown the flaws of American individualism: ©Lawrence Lawry/Photodisc/Getty Images
‘I’m a Friendship Expert, This Is How Many Friends You Need’: ©Rawpixel.com/Shutterstock
Excerpt from Lincoln’s Boys: All About Abe’s Official Secretaries: Jupiterimages/Getty Images
Christmas Truce of 1914: U.S. Army Center of Military History
About Intercultural Friendship: ©Artville/Getty Images
Why the North Pond Hermit Hid from People for 27 Years: ©S. Solum/PhotoLink/Photodisc/Getty Image
Need to Dust Off Your Social Skills?: © CREATISTA/Shutterstock
Citizen future: Why we need a new story of self and society: ©re_bekka/Shutterstock
Why Getting to Know Your Neighbors Is More Important Than You Realize: ©Ariel Skelley/Blend Images/Getty Images
Commonality Vs. Common Ground—What’s the Difference?: ©Stockbyte/Getty Images
U.S. – Soviet Alliance, 1941–1945: U.S. Air Force Courtesy photo
How 2 California Legislators Are Working Together to Find The Political Center: ©Photodisc/Getty Images
The Benefits of Volunteering as a Family: ©Steve Debenport/E+/Getty Images
Conflict Resolution Skills: ©Monica Lau/Photodisc/Getty Images
An 85-year Harvard study found the No. 1 thing that makes us happy in life: It helps us ‘live longer’: Photodisc/Getty Images
9/11 Memorial: Nathan Blaney/Photodisc/Getty Images

The Struggle for Freedom ©Shutterstock

How Did Ex-Slave’s Letter to Master Come to Be?: ©U.S. National Park Service
Widow of Murdered Civil Rights Leader Medgar Evers Moves Beyond Hatred:
Book Review: Ghosts of Revolution: Stockbyte/Getty Images
The Rohingya Crisis: ©Corbis
Why Junteenth is a celebration of hope: ©Rawpixel/iStock/Getty Images
Constance Baker Motley Taught the Nation How to Win Justice: ©Houghton Mifflin Harcourt
An Oral History of the March on Washington: National Archives
LBJ Civil Rights Gambit Set Stage for Modern Maneuver: LBJ Library photo by Cecil Stoughton/Lyndon Baines Johnson Library and Museum
Brother Outsider: Hisham Ibrahim/Photodisc/Getty Images
Who is Martin Luther King Jr. to us, 50 years later?: ©Image Source/Getty Images
Afghan women negotiating with the Taliban say they feel ‘heavy responsibility’: ©Ragne Kabanova/Shutterstock
What America’s voting rights activists can learn from past movements for civil rights: ©Rrodrickbeiler/Dreamstime
The Prison Letters of Nelson Mandela review – one man’s otherworldly patience: ©Alessia Pierdomenico/Shutterstock
NAACP: A Century in the Fight for Freedom: ©Library of Congress
Women’s rights under Iran’s revolution: ©Monica Lau/Photodisc/Getty Images
Martin Luther King Jr. ‘I Have a Dream’ Speech Anniversary: Who Organized the March on Washington?: ©Everett Collection Inc/Alamy
Without the Right to Protest, America Is Doomed to Fail: ©Bastiaan Slabbers/iStock Unreleased/Getty Images
A Battle between Voting Laws and Voting Rights: ©Ryan Rodrick Beiler/Shutterstock
The U.S. Constitution Needs You: Jupiterimages/Getty Images
The Fight for Women’s Suffrage: Library of Congress

The Bonds Between Us Photodisc/Getty Images

Here’s Why Childhood Friendships End, According to Science: Stockbyte/Getty Images
Chimps Display a Hallmark of Human Behavior: Cooperation: ©Digital Vision/Getty Images
Survival of the Friendliest: Sean Justice/Corbis
You Share Everything With Your Bestie. Even Brain Waves.: ©Image Source/Getty Images
What Is Multiculturalism? Definition, Theories, and Examples: ©Rawpixel.com/Shutterstock
U.S. Olympic Athlete Gives Up Team Spot to Twin Sister: ©Ryan McVay/Photodisc/Getty Images
A Best Friend? You Must Be Kidding: ©Floresco Productions/Corbis
The best friendships never die: Randy Faris/ Corbis
Smartphones may serve as digital security blankets: ©View Apart/Shutterstock
Biography: Ibtihaj Muhammad: ©Lawrence M. Sawyer/Photodisc/Getty Images
The Japanese Festival of the Dead: Obon: ©Akira Kaede/Photodisc/Getty Images
A father-daughter dance—in prison: BananaStock/Jupiterimages/Getty Images
Newborns Can Bond to a “Mother” from a Different Species: Jupiterimages/Getty Images
Rural schools often the heart of small E. Washington towns: ©Mark Karrass/Corbis
“It’s strangely powerful” – step inside the Empathy Museum: ©Monkey Business Images Ltd/Getty Images
How Culture Shapes Emotions: ©George Rudy/Shutterstock
I survived a terrorist attack. Here’s what I learned.: Image Source/Getty Images
Faces of America with Henry Louis Gates, Jr.: ©Alamy
Why We Laugh: Brand X Pictures/Jupiterimages/Getty Images
Temple of 1,000 bells: ©Corbis

Sweet Sorrow Photodisc/Getty Images

‘Gnomeo & Juliet’: Shakespeare, Cheerfully Plastered: ©Pixtal/Age Fotostock
Shakespeare Conspiracy Theory: ©Terry Sirrell/Houghton Mifflin Harcourt
There’s No Such Thing as Everlasting Love (According to Science): ©Corbis
A chronicle of Afghanistan’s modern-day Romeo and Juliet: ©Jean-Philippe Tournut/Flickr Open/Getty Images
He’s Supposed to Marry a Japanese Princess. Just Don’t Call Him Her Fiancé.: ©Pigprox/Shutterstock
The Time Shakespeare Caused a Riot in New York City: ©Houghton Mifflin Harcourt
Can You Die of a Broken Heart?: ©Alamy
Letters Of Heartbreak Find Some Love In Verona, Italy: Comstock/Getty Images
Review: Kate Tempest, a Young Poet Conjuring Ancient Gods: ©Elerium/iStockphoto.com
Falling in love is the easy part: ©Corbis
People banded together to find the world’s loneliest frog true love: ©MarkMirror/iStock/Getty Images
Helicopters are ruining Shakespeare in the Park: ©ID1974/Shutterstock
New Apps for Help Reading Shakespeare: ©Terry Vine/Blend Images/Getty Images
Romeo, Romeo, what’s Julian Fellowes done to you?: ©Sam Dudgeon/Houghton Mifflin Harcourt
Shakespeare and the Classics: Plutarch, Ovid, and Inspiration: ©volk65/iStockphoto.com/Getty Images
Shakespeare’s Source Material: Hemera Technologies/Photos.com/Jupiterimages/Getty Images
A Visit to the Museum of Broken Relationships:
Black Theater Artists Are Helping Shakespeare Speak To More Diverse Audiences: ©coward_lion/Adobe Stock
Richard and Mildred Loving Interview: ©Comstock Images/Age Fotostock
Science of Love: Heartbreak: ©Getty Images/iStockphoto.com

A Matter of Life or Death National Archives and Records Administration

Shark Attack Survivors Unite to Save Sharks: Jupiterimages/Getty Images
Corrie ten Boom: ©nuttakit/Shutterstock
It Helps to Like Your Neighbor During a Natural Disaster: Photodisc/Getty Images
Maternal deaths fall across globe but rise in U.S., doubling in Texas: ©Brooklyn Production/Corbis
Woman describes what it was like to be the only survivor of a flight obliterated by a thunderstorm: ©REAL TIME IT02794870960/Shutterstock
How Search-and-Rescue Dogs Work: ©Corbis
Titanic’s 100th Anniversary: 6 Survivor Stories: Glowimages/Getty Images
Helping Fellow Plane Crash Survivors Has Changed My Life: Photodisc/Getty Images
Modern Humans Retain Caveman’s Survival Instincts: ©Houghton Mifflin Harcourt
Cancer Drug Proves to Be Effective Against Multiple Tumors: ©Corbis
Sri Lankan Catholics mark 1 week since Easter Sunday attacks: Stockbyte/Getty Images
Monsoon Season: ©Dr-Strangelove/iStock/Getty Images
Stairwell A: The Only Way Out: Photodisc/Getty Images
‘Life is beautiful’: ©Houghton Mifflin Harcourt
The Possibilian: Brand X Pictures/Getty Images
A psychologist explains the limits of human compassion: ©Valter Dias/Shutterstock
WHO declares Ebola outbreak in Congo a global health emergency:
In pictures: Hurricane Ida devastates Gulf Coast: ©ParkerDeen/E+/Getty Images
Teen Refugee: Prince Charming Is Dead: Stockbyte/Getty Images
Sherpas Take Steep Risks for Life-Changing Pay: ©granitepeaker/Fotolia

Heroes and Quests ©Corbis

Why Australia Bottles Up Its Air: ©Mamiko Sasaki/EyeEm/Getty Images
Ferdinand Magellan: Comstock/Getty Images
Bob Gilruth, the Quiet Force Behind Apollo: ©StockTrek/Photodisc/Getty Images
NASA’s on target to send humans to Mars within the next 2 decades — but here’s why the moon should come first: ©Stocktrek Images/Getty Images
Five ways artificial intelligence can help space exploration: ©Paper Boat Creative/DigitalVision/Getty Images
Chandrayaan-3: India makes historic landing near Moon’s south pole: ©Randall Fung/keepsake RF/Corbis
The Quest to End the Flu: Steve Hix/Somos Images/Corbis
Can Travel Change You?: ©Corbis
Why exploration matters—and why the government should pay for it: ©Stocktrek Images/Getty Images
The Road to Resilience: ©Premysl/Shutterstock
NASA’s Perseverance Rover Sends Sneak Peek of Mars Landing: ©StockTrek/Photodisc/Getty Images
10 Offbeat Things Humans Have Launched into Space: ©Corbis
Why we’re rocketing men into space — even in the middle of a pandemic: ©Aphelleon/Shutterstock
The Epic Quest to Ride the World’s Biggest Wave: ©Corbis
Stanley Meets Livingstone: ©Dmitry Pichugin/Fotolia
Expect crocs and killers when paddling down the Congo River in a canoe: ©Digital Vision/Getty Images
Are you monomythic? Joseph Campbell and the hero’s journey: ©Photodisc/Alamy
These women are shaping the future of African space exploration: ©PeopleImages/DigitalVision/Getty Images
Our Storied Lives: The Quest for ‘Something More’: ©Corbis
Odysseus’ Journey: Hartnett/Hanzon/Photodisc/Getty Images

Grade 10

Ourselves and Others Image Source/Getty Images

A New House in the Old Country: Rubberball/Getty Images
First Amendment Center: ©Dan Thornberg/iStockphoto.com
Pay It Forward Day: ©Andrey Bandurenko/Fotolia
‘Seven Good Years’ Between The Birth Of A Son, Death Of A Father: ©Don Farrall/Photodisc/Getty Images
The surprising downsides of empathy: Jupiterimages/Getty Images
Americans Are Getting Better at Cooperating With Strangers: ©Corbis
The Five Percent Problem: Photodisc/Getty Images
Why Twitter Influences Cross-Cultural Engagement: ©Zurijeta/Shutterstock
Do You Believe in Magic?: ©Steve Cole/Photodisc/Getty Images
Having A Best Friend In Your Teenage Years Could Benefit You For Life: Jupiterimages/Getty Images
Many Black and Asian Americans Say They Have Experienced Discrimination Amid the COVID-19 Outbreak: ©Ivelin Radkov/Fotolia
‘I’m a Friendship Expert, This Is How Many Friends You Need’: ©Rawpixel.com/Shutterstock
Is Social Connection the Best Path to Happiness?: Comstock Images/Jupiterimages/Getty Images
Immigration: Assimilation and the measure of an American: ©AR Images/Shutterstock
America’s War on Language: Todd Davidson/Getty Images
A History in Which We Can All See Ourselves: ©Rawpixel.com/Shutterstock
Healing the political divide: ©Comstock Images/Jupiterimages/Getty Images
Citizen future: Why we need a new story of self and society: ©re_bekka/Shutterstock
The “Lottery” Letters: Stockbyte/Alamy
Conquering Cliques in School: Artville/Getty Images

The Natural World Carson Ganci/Design Pics Inc/Alamy

Planetary Science: Caught in the Act: ©Corbis
Technology That Imitates Nature: ©stocksnapper/iStockphoto.com/Getty Images
Biblical bee-keepers picked the best bees: ©StudioSmart/Shutterstock
12 Surprising Facts About Starfish: ©Tony Sweet/Digital Vision/Getty Images
Nature crisis: Humans ‘threaten 1m species with extinction’: ©Snowshill/iStockphoto.com
The Best Tool for Helping Damaged Young People—Nature: ©Matthew Williams-Ellis/Shutterstock
Tasmanian devil milk fights superbugs: ©Patsy A. Jacks/Shutterstock
Using nature’s genius in architecture: Ted Foxx/Alamy
In Midwest, Bringing Back Native Prairies Yard by Yard: Radius Images/Getty Images
Your home is a jungle inhabited by 100 different species: ©Comstock/Getty Images
Coronaviruses Often Start in Animals — Here’s How Those Diseases Can Jump to Humans: ©2630ben/Fotolia
Is It Better to Plant Trees or Let Forests Regrow Naturally?: ©Comstock/Getty Images
Brazilian Explorers Search “Medicine Factory” to Save Lives and Rainforest: Comstock/Jupiterimages/Getty Images
Urban Wildlife Refuges Highlight Nature That’s Closer Than You Think: ©duckeesue/Shutterstock
Tardigrades—the microscopic, oddly cute toughest animals on Earth—explained: ©Hero Images/Getty Images
Don Cheadle: ‘Plastic Is a Problem’: ©ead72/Adobe Stock
Monstrous ‘murder hornets’ have reached the US: ©Sergio Yoneda/Shutterstock
The googly eyes of the mantis shrimp inspire new optical sensors: ©Howard Chew/iStockphoto.com/Getty Images
Life After People: Creatas/Jupiterimages/Getty Images
Theodore Roosevelt and the Environment: ©Houghton Mifflin Harcourt

Responses to Change ©Fotolia

Scientists just accidentally discovered a process that turns CO2 directly into ethanol: ©Martin McCarthy/E+/Getty Images
Emergency Response Plan: ©Houghton Mifflin Harcourt
9/11 Attacks: ©PhotoLink/Photodisc/Getty Images
Green Energy Will Overtake Fossil Fuels by 2020, Morgan Stanley Analyst States: ©IKO/Fotolia
The World 9/11 Took From Us: ©Jahanzaib Naiyyer/Fotolia
In pictures: Hurricane Ida devastates Gulf Coast: ©ParkerDeen/E+/Getty Images
Climate Change Is Inevitable — It’s Time to Adapt: ©airphoto.gr/Shutterstock
Thinking of Home Makes It Harder to Learn a Foreign Language: Hill Street Studios/Blend Images/Corbis
Post-Traumatic Stress’s Surprisingly Positive Flip Side: Rubberball/Getty Images
Effects of the Black Death: Jupiterimages/Getty Images
“Everything is changing”: Farmers seek solutions, not slogans, on climate change: Harald Sund/Brand X Pictures/Getty Images
California families relay harrowing escape from Afghanistan: ©Juanmonino/E+/Getty Images
A Youth Renaissance for Native Americans: Nancy G Photography/Alamy
Teenage brains in the digital world: Photodisc/Getty Images
How a Technology That Helped Settle the West Became Known as the “Devil’s Rope”: Steve Roe - stephenroe.co.uk/Getty Images
California’s wildfires are not “natural” — humans made them worse at every step: ©Corbis
They’ve Contained the Coronavirus. Here’s How: Brand X Pictures/Getty Images
UN endorses world’s 1st malaria vaccine as ‘historic moment’: ©Mile 91/Ben Langdon/Alamy
Inside the Teenage Brain: ©Digital Vision/Getty Images
How space can change the human body: ©PhotoSpin, Inc./Alamy

How We See Things ©Corbis

Oliver Sacks Shares Tales of Musical Hallucinations: ©Leigh Prather/Shutterstock
What Is Infrared?: ©Houghton Mifflin Harcourt
Ada Lovelace, the First Tech Visionary: ©Jonathan Lim Yong Hian/Fotolia
The Evolution of the Human Eye: ©Nick Koudis/Photodisc/Getty Images
Stay-at-home order protesters represent a minority view: ©MmeEmil/E+/Getty Images
The Most Amazing Optical Illusions (and How They Work): ©fotoadrenalina/iStockphoto.com
Emily Dickinson’s mystifying in-sight: ©Tatiana Makotra/Shutterstock
Overexposed? Camera Phones Could Be Washing Out Our Memories: ©Digital Vision/Getty Images
Mathphilic: ©Fernando Batista/iStockphoto.com
What Is Schizophrenia?: Jupiterimages/Getty Images
America’s digital divide: Why Internet access should be a basic human right: ©alexmillos/Shutterstock
Memory contaminates perception: Jupiterimages/Getty Images
Eureka!: Huntstock/Getty Images
Overview: ©Digital Vision/Getty Images
Einstein’s gravitational waves ‘seen’ from black holes: Photodisc/Getty Images
Selfie face distortion is driving people to get nose jobs: ©Maridav/Shutterstock
How the news changes the way we think and behave: ©ColorBlind Images/Blend Images/Getty Images
‘Evil Genius’: Mind-Bending Illusion Built Into Skyline Confuses Internet: ©Don Couch/Houghton Mifflin Harcourt
Optical Illusions: When Your Brain Can’t Believe Your Eyes: ©Atypeek Design/Shutterstock
‘Blindness’ May Rapidly Enhance Other Senses: BananaStock/Jupiterimages/Getty Images

Absolute Power Photodisc/Getty Images

This Is Your Brain on Shakespeare: ©Andrea Danti/Fotolia
Genghis Khan: ©Houghton Mifflin Harcourt
Take It from ‘Hamilton’: Why Unyielding Ambition Is a Blessing and a Curse: ©Houghton Mifflin Harcourt
How Power Corrupts Us: ©Keith Brofsky/Eyewire/Getty Images
How to read Shakespeare for pleasure: ©Steve Vidler/Alamy
A Conversation with Sir Patrick Stewart: Brand X Pictures/Getty Images
The Gunpowder Plot: Photodisc/Getty Images
Dunsinane: An Interview with the Playwright: ©JUPITERIMAGES/Comstock Images/Alamy
Eight Current Dictators as of 2018: ©JHVEPhoto/Shutterstock
The Time Shakespeare Caused a Riot in New York City: ©Houghton Mifflin Harcourt
Shakespeare’s Sources for Macbeth: ©Houghton Mifflin Harcourt
The Influence of Machiavelli on Shakespeare: Eyewire/Getty Images
Why Washington Relinquished His Power, and Why He Returned: ©Joseph Sohm-Visions of America/Digital Vision/Getty Images
More than 12 years after Hurricane Katrina, scientists are learning what makes some survivors more resilient than others: ©briannolan/iStockphoto.com
Helicopters are ruining Shakespeare in the Park: ©ID1974/Shutterstock
The World’s 50 Greatest Leaders: William J. Clinton Presidential Library
Is Too Much Ambition Making You Miserable?: Image 100/Jupiterimages/Getty Images
Fair is foul and foul is fair: Macbeth in Tunisia: ©Lotharingia/Fotolia
A Dictatorship Is Rising in My Country, Again: ©Globe Turner, LLC/Getty Images
Black Theater Artists Are Helping Shakespeare Speak To More Diverse Audiences: ©coward_lion/Adobe Stock

Hard-Won Liberty National Archives and Records Administration

Gene Sharp: How to Start a Revolution: ©wong yu liang/Shutterstock
American Experience: Freedom Riders: Blend Images/ColorBlind Images/Getty Images
Children of the Fifty-Sixers: Growing up in Hungarian Chicago: ©Ron Chapple/Creative/Corbis
Uganda’s Bobi Wine: ‘Tortured’ pop star MP returns home: Hemera Technologies/Jupiterimages/Getty Images
8 Leaders Who Carry On Martin Luther King Jr.’s Legacy: ©Karin Hildebrand Lau/Shutterstock
Everyday people were civil rights heroes, too. This is the story of one town’s fight: ©Everett Collection Historical/Alamy
The War Over King’s Legacy: ©Luiz Felipe Castro/Flickr/Getty Images
Malala Yousafzai’s Courage: ©Corbis
White clergymen urge local Negroes to withdraw from demonstrations: ©Stephen Firmender/Shutterstock
Gandhi statue removed from African university over claims of racism: ©popovaphoto/iStockphoto.com
Pastor Says Fight for Civil Rights Looks Different in 2021: ©Houghton Mifflin Harcourt
UN Says AI Poses ‘Serious Risk’ For Human Rights: ©Mykola/Adobe Stock
Mixtape of the Revolution: Photodisc/Getty Images
Film Review: ‘Selma’: ©Comstock/Getty Images
Social Media Sparked, Accelerated Egypt’s Revolutionary Fire: ©Robert Churchill/iStockphoto.com/Getty Images
Martin Luther King was no prophet of unity. He was a radical: ©Uncle Leo/Shutterstock
This 15-year-old was the original Rosa Parks: ©Archive PL/Alamy
Activists say the human rights movement is failing: ©Houghton Mifflin Harcourt
Teaching Gandhi’s Nonviolent Principles in a Violent Time: ©PA Images/Alamy
French Revolution: Jupiterimages/Getty Images

Grade 11

The Mayflower: ©Shutterstock
Illegal Immigration Solutions – Pros and Cons: Historical Timeline: ©Houghton Mifflin Harcourt
Joy Harjo: ©STEPHEN ST. JOHN/National Geographic Stock
Immigration In Esports: Do Gamers Count As Athletes?: ©Blend Images/Shutterstock
Calling People Names: An Expression of Colonial Power: ©MEB-Photography/Alamy
America’s True History of Religious Tolerance: ©dboystudio/Shutterstock
Hernando de Soto: ©Wikimedia Commons
Archaeologists Are Hunting for the Lost French Fleet That Nearly Conquered Spanish Florida: Library of Congress
Immigration Fears Not New in US History: Photos: ©Gary/Fotolia
L.A. County formally replaces Columbus Day: ©Neil Beer/Photodisc/Getty Images
Rare Aztec Map Reveals a Glimpse of Life in 1500s Mexico: ©f9photos/iStock/Getty Images
The 16-Year-Old Chinese Immigrant Who Helped Lead a 1912 US Suffrage March: ©Everett Historical/Shutterstock
Edward Curtis: Photographing the North American Indian: Comstock / Getty Images
How to Talk About America’s Newest Arrivals: Photos.com/Jupiterimages/Getty Images
Play Ball!: Colonial Games and America’s National Pastime: Tetra Images/Alamy
Reconsidering The Pilgrims, Piety And America’s Founding Principles: ©Photos.com/Jupiterimages/Getty Images
Pow Wow in the Club: A New Spin on First Nations Music: ©deebrowning/iStock Editorial/Getty Images
Yu & Me Books: Lucy Yu’s Chinatown Bookstore Focuses On Immigrant Stories: ©connel/Shutterstock
The Changing Definition of African-American: Jupiterimages/Getty Images
Plymouth Colony: ©Fotolia

The Presidential Election of 1800: Jupiterimages/Getty Images
What’s Wrong With This Picture?: ©Wikimedia Commons
The Epidemic That Revolutionized Medicine And American Politics: Image Source/Getty Images
Phillis Wheatley Biography: ©Photos.com/Jupiterimages/Getty Iimages
Five Myths About the U.S. Postal Service: ©VStock/Alamy
How the American Revolution Spurred Independence Movements Around the World: ©egd/Shutterstock
Does Philly, and not Boston, deserve credit as the Tea Party birthplace?: Jack Hollingsworth/Photodisc/Getty Images
Fighting…Maybe for Freedom, but probably not: ©VisionsofAmerica/Joe Soehm/Digital Vision/Getty Images
Gibson: Madison was no party animal: ©Craig Brewer/Photodisc/Getty Images
Revolutionary Moments in Law Enforcement: ©Houghton Mifflin Harcourt
Welcome to the Museum of the American Revolution’s Virtual Tour: ©North Wind Picture Archives/Alamy
The Declaration of Independence Was Also a List of Grievances: ©justasc/Adobe Stock
Federalist Papers: ©zimmytws/Shutterstock
Alexander Hamilton: The nation’s founding blogger: ©Galushko Sergey/Shutterstock
Why President? How The U.S. Named Its Leader: ©Joseph Sohm-Visions of America/Digital Vision/Getty Images
How do US Supreme Court justices get appointed?: ©Marcio Jose Bastos Silva/Shutterstock
To Make Native Votes Count, Janine Windy Boy Sued the Government: ©Pierre Desrosiers/Shutterstock
Liberty Bell tolls to announce Declaration of Independence: ©drbueller/E+/Getty Images
Poems of the American Revolution: ©S Solum/PhotoLink/Photodisc/Alamy
Abigail Adams Biography: ©Corbis

The Individual and Society Photodisc/Getty Images

Walt Whitman, Emily Dickinson and the War That Changed Poetry, Forever: ©Joseph Becker/Fotolia
What are the effects of isolation in the mind?: ©gpointstudio/Shutterstock
A Masterly Emily Dickinson Movie: ©Christian Kosanetzky/imagebroker/Alamy
How the California Gold Rush echoes in Silicon Valley: ©Vladislav Gurfinkel/Shutterstock
Why a German Photographer Trained His Lens on 100-year-old Models: ©Kiselev Andrey Valerevich/Shutterstock
How do children choose a best friend?: ©Estrada Anton/Shutterstock
A Poet Who Pushed (and Recycled) the Envelope: ©Valentin Agapov/Shutterstock
Modern History Sourcebook: Harriet Robinson: Lowell Mill Girls: ©Pavel L Photo and Video/Shutterstock
Using data from social networks to understand and improve systems: Photodisc/Getty Images
Emily Dickinson Was Fiercer Than You Think: ©Lynne Furrer/Shutterstock
Civic Participation: ©Lisa F. Young/Shutterstock
Attacks against Asian Americans are on the rise. Here’s what you can do: ©leolintang/Shutterstock
Lowell Mill Women Create the First Union of Working Women: Library of Congress
Studies in Scale: Excerpts from The Gorgeous Nothings: ©artkamalov/Shutterstock
9 Core Behaviors of People Who Positively Impact the World: ©John Wilkes Studio/Corbis
6 Afro-Latinos Open Up About What It Means To Be Black And Latino: ©John Langford/Houghton Mifflin Harcourt
The surprising downsides of empathy: Jupiterimages/Getty Images
How Conformity Can Be Good and Bad for Society: ©Digital Vision/Getty Images
The issues behind Jefferson and Hamilton’s rivalry are still alive two centuries later: ©Karl Kost/Alamy
Nathaniel Hawthorne’s Funny Civil War: ©steheap/Fotolia

A Time of Reckoning:
Documentary explores US exclusion of Chinese in the 1800s: ©Everett Historical/Shutterstock
Black Leaders During Reconstruction: ©Ilene MacDonald/Alamy
PRO AND CON: Should Confederate monuments be removed?: ©Corbis
Did Quilts Hold Codes to the Underground Railroad?: ©Eric Camden/Houghton Mifflin Harcourt
Civil Rights Movement: ©Luiz Felipe Castro/Flickr/Getty Images
Ida B. Wells: Library of Congress
A Cutting-Edge Second Look at the Battle of Gettysburg: ©Getty Images
A Civil War journal, up close and personal: ©Susan Law Cain/Shutterstock
3 Reasons Why Chinese Workers Were the MVP’s on the Transcontinental Railroad: HemeraTechnologiesJupiterimages/Getty Images
In 1870, Henrietta Wood Sued for Reparations—and Won: ©Billion Photos/Shutterstock
In 1865, thousands of Black South Carolinians signed a 54-foot-long freedom petition: ©TAVEESUK/Shutterstock
Where the Buffalo No Longer Roamed: ©Getty Images
‘Nurse, Spy, Cook:’ How Harriet Tubman Found Freedom Through Food: ©Folio/Alamy
Dred Scott decision: ©Gary Blakeley/Shutterstock
In New Bedford, Frederick Douglass Finds Refuge as a Fugitive Slave: ©Everett Historical/Shutterstock
With slave ship Clotilda found, the work of healing a community begins: ©Andrew Jalbert/Dreamstime
New Year’s Eve, Day holds special meaning for Black Americans: ©Corbis
“Slaves of the Marriage Union”: ©Corbis
Descendants of Chinese Laborers Reclaim Railroad’s History: ©Orhan Cam/Shutterstock

5 Things You May Not Know About the Men Who Built America: Comstock/Getty Images
Does Fiction Have the Power to Sway Politics?: Comstock/Getty Images
Plessy and Ferguson: Descendants of a divisive Supreme Court decision unite: ©Steve Hamblin/Alamy
Are We Living in the Gilded Age 2.0 ?: ©gmutlu/E+/Getty Images
Laughing at the Expense of Labor and Capital: ©temmuzcan/iStock/Getty Images
Overview of the Gilded Age: ©National Archives (NARA)
Book Nook: The Wright Brothers, by David McCullough: ©Pgiam/iStockphoto.com
Dispatches from the Jungle: The Writers Who Reformed America: ©Corbis
The Poison Supper Club That Made Our Food Safe: Artville/Getty Images
How the Santa Fe Railroad Changed America Forever: ©jgorzynik/iStockphoto.com/Getty Images
Two amputations a week: the cost of working in a US meat plant: ©Arthur S. Aubry/Photodisc/Getty Images
Edith Wharton: Why the Age of Innocence author is vanishing from New York City: ©Corbis
Stephen Crane: Jupiterimages/Getty Images
What Was the Klondike Gold Rush?: ©Everett Collection Inc/Alamy
At Gilded Age “Poverty Parties,” the Rich Felt Free: ©Denise LeBlanc/Shutterstock
Extreme Dining in the Gilded Age: ©Boris_Kuznets/iStock/Getty Images
Jacob Riis: Shedding Light On NYC’s ‘Other Half’: Museum of the City of New York
What Are Ag-Gag Laws and Why Are They Dangerous?: ©David Frazier/Spirit/Corbis
Mark Twain’s Eternal Chatter: ©Folio/Alamy
Billionaire Philanthropists Are Shaping a New Gilded Age: Marcus Clackson/Photodisc/Getty Images

The Modern World Photodisc/Getty Images

These Rarely Seen Photographs are a Who’s Who of the Harlem Renaissance: Photodisc/Getty Images
World War II: The Fall of Nazi Germany: ©Corbis
Humans once opposed coffee and refrigeration. Here’s why we often hate new stuff.: ©Fotofermer/Shutterstock
Langston Hughes’ Collection of Harlem Rent Party Advertisements: ©Natalia Bratslavsky/Shutterstock
What Does The Future Look Like Post-Coronavirus – 9 Future Predictions: ©TARIK KIZILKAYA/iStockphoto.com
Why First Amendment still matters to students: trekandshoot/Alamy
10 Steps To Conquering Information Overload: Jupiterimages/Getty Images
Tracing F. Scott Fitzgerald’s Minnesota Roots: ©Digital Vision/Getty Images
How worried should you be about artificial intelligence?: ©Ociacia/Shutterstock
Former NASA Scientist Predicts “Gold Rush” in Space: ©chagpg/Adobe Stock
The Road Back: Frost’s Letters Could Soften a Battered Image: Comstock/Jupiterimages/Getty Images
Arthur Miller Biography: Photos.com/Jupiterimages/Getty Images
Arthur Miller’s Chameleon Play: ©joshblake/iStockphoto.com
Online Museum Is Preserving ‘Endangered’ Sounds for Future Generations: Photodisc/Getty Images
Farming on Mars will be a lot harder than ‘The Martian’ made it seem: ©francisblack/iStock/Getty Images
The Dawn of the Age of Artificial Intelligence: ©lola1960/Shutterstock
On Stephen Hawking, Vader, and Being More Machine Than Human: ©LindaMarieB/iStockphoto.com
Inside the Secret World of Russian’s Cold War Mapmakers: Wired
Could AI help to create a meat-free world?: ©Wavebreakmedia/iStock/Getty Images
Beyond the silver screen: a look at the vibrant history of Harlem’s Black film scene: ©tomazl/E+/Getty Images

Grade 12

3 Keys to Success: Provide Value to Your Network: Hill Street Studios/Blend Images/Corbis
How a bunch of government space geeks at NASA won the internet: Photodisc/Getty Images
To Overcome the Fear of Failure, Fear This Instead: ©Digital Vision/Getty Images
A physicist’s mathematical formula for success highlights a difficult truth about what makes some people outshine the rest: ©Neirfy/Shutterstock
Study: You Really Can ‘Work Smarter, Not Harder’: ©Maridav/Shutterstock
6 Signs You’re Sacrificing Too Much for Success: Liquidlibrary/Jupiterimages/Getty Images
How the Pandemic May Change Our Idea of Success: ©Roman Samborskyi/Shutterstock
How music benefits children: ©Ryan McVay/Photodisc/Getty Images
Total Failure: The Mountain That Got Away: ©kapulya/iStock/Getty Images
8 Ways Highly Successful People Carry out Successful Plans: ©Asier Romero/Shutterstock
Don’t think too positive: Stockbyte/Getty Images
Fail Better: ©Colin Anderson/Brand X Pictures/Getty Images
You can do it, baby!: ©Andrew Rich/Vetta/Getty Images
Total Failure: The World’s Worst Video Game: ©Fuse/Getty Images
Chasing Success Is No Way to Achieve It: ©Flamingo Images/Shutterstock
Cesar Chavez: ©Digital Vision/Getty Images
What Americans Keep Ignoring About Finland’s School Success: SuperStock RF/SuperStock
Youth sports ‘spill over’ to career success: ©Steve Hix/Somos Images/Corbis
What turned the Wright brothers into pioneers of flight? Their library.: Photos.com/Jupiterimages/Getty Images
Education Innovation in the Slums: ©Photodisc/Alamy

City Unveils Campaign to Improve Girls’ Self-Esteem: ©Houghton Mifflin Harcourt
When Their Workday Ends, More Fathers Are Heading Into the Kitchen: ©Alamy
Manning up: Men may overcompensate when their masculinity is threatened: ©Keith Brofsky/Photodisc/Getty Images
Mary Wollstonecraft Biography: ©Image Source/Getty Images
Do countries with female leaders truly fare better with Covid-19?: ©ZUMA Press, Inc./Alamy
Where the Women Rule: Comstock/Jupiterimages/Getty Images
For Modern Women, ‘Ladylike’ Means Strong And Sporty: ©JUPITERIMAGES/Creatas/Alamy
Why a 1920s legal move is responsible for the gender-segregated bathrooms we have today: ©Margoe Edwards/Shutterstock
A New Rating for TV and Movies Tries to Combat Gender Stereotypes: ©Ariel Skelley/Blend Images/Getty Images
At least 11 women have vied for U.S. vice president: ©JasonDoiy/iStock/Getty Images
From Boys to Men: How Mentoring Is Smoothing the Road to Adulthood: Creatas/Jupiterimages/Getty Images
Mary Wollstonecraft Biography: Comstock/Getty Images
Esenam Nyador, Ghana’s female taxi driver: ©Corbis
Why was Pink for Boys and Blue for Girls?: ©MNStudio/Shutterstock
Coronavirus face masks: Why men are less likely to wear masks: ©ti-ja/E+/Getty Images
Proud to be a Mill Girl: Library of Congress
Could Paternity Leave Policies Close the Wage Gap?: ©Brooklyn Production/Corbis
Altering a robot’s gender and social roles may be a screen change away: ©Hero Images/Hero Images/Getty Images
What it Means to Build Without Bias: Questioning the Role of Gender in Architecture: © Andrej Ivosev/iStockphoto.com
How to be an ally to friends who’ve changed their pronouns: ©Rawpixel.com/Shutterstock

Voices of Protest National Archives

A long-hidden mural is revealed, along with a piece of UCLA history: ©Corbis
Conversing With the World: The Poet in Society: ©Tischenko Irina/Shutterstock
This is what protest sounds like: ©Corbis
Teenagers Emerge as a Force in Climate Protests Across Europe: ©Nastco/iStock/Getty Images
This 15-year-old was the original Rosa Parks: ©Archive PL/Alamy
Universal Declaration of Human Rights: Joseph Sohm/Visions of America, LLC/Alamy
Peaceful protest is much more effective than violence for toppling dictators: ©FeyginFoto/Shutterstock
Thomas Paine: ©Houghton Mifflin Harcourt
Know Your Rights: What To Do If Your Rights Are Violated at a Demonstration or Protest: ©Craig Brewer/Photodisc/Getty Images
Is There Any Point to Protesting?: ©John Gomez/Shutterstock
Equality Act Would Extend Civil Rights Laws To LGBTQ People Throughout U.S.: ©railwayfx/Adobe Stock
Barbara Johns: The US’ forgotten civil rights hero: ©Houghton Mifflin Harcourt
The Statue of Liberty Has Long Been a Magnet for Protest: ©spyarm/Shutterstock
Opinion: Remove the blindfold, fight injustices when they occur: ©Studio-Annika/iStockphoto.com
A Photographer Follows in Gandhi’s Footsteps: ©Sam Dudgeon/Houghton Mifflin Harcourt
Tech firms protest proposed changes to U.S. net neutrality rules: ©Corbis
Remembering Tiananmen Square in a new age of censorship: ©Corbis
The Color of Justice: ©Corbis
Everyday people were civil rights heroes, too. This is the story of one town’s fight: ©Everett Collection Historical/Alamy
Vietnam War Protests: ©Corbis

Seeking Justice, Seeking Peace Comstock/Jupiterimages/Getty Images

Should U.S. pay reparations for slavery? U.N.-appointed experts think so: Stockbyte/Getty Images
A modern take on the timeless tragedy of ‘Hamlet’: Jupiterimages/Getty Images
Kenya’s running champions walk 800km to break ‘cycle of violence’: ©Fotolia
The Fertility and Futility of Hatred: ©Corbis
Schoolyard conflicts may be linked to serious health problems later in life, research shows: ©SpeedKingz/Shutterstock
How to read Shakespeare for pleasure: ©Steve Vidler/Alamy
Academic watched Shakespeare in Ukrainian bomb shelters: ©vhpfoto/Shutterstock
On Forgiveness: Jupiterimages/Getty Images
Art in the aftermath: healing the victims of trafficking and slavery: ©Don Couch/Houghton Mifflin Harcourt
‘Map: Collected and Last Poems,’ by Wislawa Szymborska: ©Radka Tesarova/Shutterstock
Collective reparation in Colombia: when everyone suffers from the ravages of war: ©Filippo Manaresi/Moment Open/Getty Images
The curious history of the Nobel Peace Prize: ©dimbar76/Shutterstock
Why Shakespeare’s Stories Still Resonate: Jupiterimages/Getty Images
Would Shakespeare’s poisons and drugs work in reality?: ©Jupiter Images/Ablestock/Alamy
High and Inside: Morality and Revenge in Baseball: ©alens/Shutterstock
Letting it go: Take responsibility, make amends, forgive yourself: ©iceteastock/Fotolia
Revenge and the people who seek it: ©Thomas Perkins/Fotolia
Revenge really is sweet: study shows the mood-enhancing effect of retaliation: Image 100/Jupiterimages/Getty Images
Colombian Duque’s bid to change peace deal rattles sabers, but war unlikely: ©rchphoto/iStock/Getty Images
The Time Shakespeare Caused a Riot in New York City: ©Houghton Mifflin Harcourt

Teens’ Penchant For Risk-Taking May Help Them Learn Faster: ©Fuse/Getty Images
That Selfie May Be Epic, But Not Worth Your Life: ©OULAILAX NAKHONE/Shutterstock
The Overprotected Kid: ©wibs24/iStockphoto.com
The Risky Side of Creativity: Domain Specific Risk Taking in Creative Individuals:
Beowulf Is Back!: ©Juan Manuel Kreiter/Shutterstock
Tightrope Between the Towers: ©Corbis
Falling Toward Grace: ©Joggie Botma/Alamy
With the Thrills Come Extreme Risks: Maxime Laurent/Photodisc/Getty Images
Once a Risk-Taker, Always a Risk-Taker: ©Corbis
Exotic pets: Why do Americans keep dangerous animals?: Photodisc/Getty Images
A day in the life of one emergency doctor in a New York hospital during coronavirus: ©Keith Brofsky/Photodisc/Getty Images
bell hooks, author and activist, dies aged 69: Comstock/Getty Images
Our Mission Is to Report These Horrors of War: ©Corbis
Richard Branson on Taking Risks: Photodisc/Getty Images
Caltech Researchers Ask: Is Risk-Taking Behavior Contagious?: ©Corbis
Beowulf Is Back!: Jupiterimages/Getty Images
To find a coronavirus vaccine, can we ethically infect people with a disease with no cure?: ©LajosRepasi/iStockphoto.com
Afghan women: Secret diaries of changing lives: ©Ragne Kabanova/Shutterstock
What Happy Teenagers Do Differently: Photodisc/Getty Images
Do Women Take as Many Risks as Men?: ©iStockphoto.com

Weeder: Pere Sanz/Alamy
Alone with Arizona’s landscape: ©Shutterstock
Cities make us forget what’s great about nature: Compassionate Eye Foundation/Steven Errico/Digital Vision/Getty Images
The Perks of a Play-in-the-Mud Educational Philosophy: ©Evgeny Atamanenko/Shutterstock
Living Off-Grid: What It’s Actually Like: ©ehrlif/Shutterstock
What Can Bees Teach Us About Gang Warfare?: ©Old Dog Photography/Flickr/Getty Images
Hug a tree – the evidence shows it really will make you feel better: Comstock/Getty Images
Rick Bass on his new story collection, ‘For a Little While’: ©Jeff Vanuga/Spirit/Corbis
Poetry and the Environment: ©Samuel Borges Photography/Shutterstock
Study reveals positive connection between nature experiences and happiness globally: ©Stimmungszauber/Shutterstock
Humboldt in the New World: ©Pixtal/Age Fotostock
Finding Adventure Beyond Nature: ©Robert Glusic/Photodisc/Getty Images
Nine incredible buildings inspired by nature: ©brytta/iStockphoto.com
Scientists create scarily strong drones inspired by wasps: ©Rundstedt B. Rovillos/Moment/Getty
This is What Happened When an Australian City Gave Trees Email Addresses: ©Artmim/Shutterstock
Reader View: The wilderness can handle bikes: ©Raphael Daniaud/Shutterstock
Nature Poems: Comstock/Getty Images
The Nature Cure: Mina Doroudi Photography/Flickr/Getty Images
Bucket lists are a good way to ruin the experience of nature: ©NoemiC/iStock/Getty Images
Top 20 Citizen Science Projects of 2020: ©Tom Wang/Shutterstock

For Argument's Sake

Should the Government Have a Say in Our Diets?: Bananastock/Jupiterimages/Getty Images
Is Technology Use Negatively Affecting Our Brains?: ©Schedivy Pictures Inc./Digital Vision/Getty Images
Do Professional Athletes Get Paid Too Much?: Photodisc/Getty Images
Have Social Media Sites Had a Negative Impact on Friendship?: Jupiterimages/Getty Images
Is a College Education Worth the Cost?: Creatas/Jupiterimages/Getty Images
Should Women Serve in Military Combat Positions?: Getty Images Royalty Free
Do Law Enforcement Cameras Reduce Crime or Just Invade People’s Privacy?: ©Digital Vision/Getty Images
Should Schools Require Students to Do Volunteer Work?: ©Alamy
Should Animals Be Used in Medical Research?: Michael Blann/Lifesize/Getty Images
Is Censorship Ever Appropriate?: Todd Davidson/Getty Images
Should Driver’s License Requirements Include School Success?: Brand X Pictures / Getty Images
Is It Fair to Hold Parents Responsible for Their Children’s Actions?: Jupiterimages/Getty Images
Should Our Justice System Focus on Punishing Criminals or Rehabilitating Them?: ©Digital Vision/Getty Images
Should Businesses Be Allowed to Bar Teens?: ©Digital Vision/Getty Images
Should Native American Sports Mascots Be Banned?: ©Houghton Mifflin Harcourt
Should the Federal Minimum Wage Be Increased?: Scott Rosen
Should Homework Be Banned?: ©SuperStock RF/SuperStock
Was Christopher Columbus a Hero or an Invader?: ©Pixtal/Age Fotostock
Does Energy Conservation Really Help?: ©Peter Gridley/Photographer's Choice RF/Getty Images
Should U.S. Students Be Required to Learn a Language Other than English?: ©auremar/Shutterstock