Why is social media so addictive? Turns out, it's by design. We'll also explore the science of selfies and why people can be so cruel online.

What's the difference between good and bad germs? And how real is the "Five-Second Rule"? It's a dirty topic, but someone's got to cover it.

Super vision, super hearing and super strength aren't just for mythical heroes. These amazing powers are real -- and, believe it or not, you have them!

Whether they're good or bad, we all have them. But what do dreams mean -- and is it possible to control them? Let's drift off to dreamland to find out.

Let's zoom to the farthest reaches of the galaxy to discover what stars are made of, whether aliens could exist and how space affects the human body.

When it comes to your emotions, who's in charge: you or them? We'll dig into feelings, what grosses you out and whether laughter is actually contagious.

Need a boost? Discover how motivation works -- and how to master it -- by learning the key to getting things done that you’d much rather skip.

Join Sahana for a journey under the sea to learn about ocean layers, discover how fish can drown and meet some of the strangest creatures on the planet!

Ever wonder where thoughts come from, how to think faster or how to overcome irrational thinking? Good news: We think we've got the answers.

You can't see them ... but they're there. Learn how hidden forces like gravity, magnetism and electricity hold the world as we know it together.

Creativity is your friend. But what do you do when it's blocked? Learn how to unlock the secrets to becoming more creative -- no matter who you are.

Want to get better at remembering? We'll learn what memory is, how memories are formed and how to improve your recall with some very cool hacks.