Science & Nature


Confused person seeing stars

What Causes Déjà Vu?

Source: Scientific American

It’s an eerie feeling: You walk into a place you know you’ve never been before but are overwhelmed by a sense of familiarity—a memory you can’t quite reach. Has this all happened before?
The sensation is known as déjà vu, and though it is hard to study, scientists are slowly figuring out why it happens.









Expensive specialty coffee: Dollar sign drawing on a latte coffee cup

How Shops Deceive You – The Decoy Effect Explained

Source: Psychology Exposed (on YouTube)

Do you sometimes feel like you made a choice you didn’t really want to make? Marketers use a lot of tricks to get you to spend more money than you meant to. One of the most popular is “the decoy effect.” When faced with two choices—like a small or large drink—most people can pick pretty easily. Watch this video to learn how adding a third choice, or a “decoy” (like a medium size), can actually manipulate you into buying the more expensive option—even if you didn’t really want to.