We Are NASA: An Inspirational Video About the Past and the Future of NASA [Video]

From NASA: We’ve taken giant leaps and left our mark in the heavens. Now we’re building the next chapter, returning to the Moon to stay, and preparing to go beyond. We are NASA – and after 60 years, we’re just getting started. Special thanks to Mike Rowe for the voiceover work. [NASA]

Electromagnetic Hypersensitivity: Are My Electronics Making Me Sick? [Science Video]

Can the radiation emitted by electronic devices affect your body and make you feel terrible? [SciShow]

What’s the Hottest Chemical in the World? Nope! It’s Not Capsaicin!

Adventurous eaters are constantly on the hunt for the next hottest thing, but you definitely don’t want to eat the hottest chemical we know of! [SciShow]

Why Computers Can’t Count Sometimes

Sometimes, numbers on sites like YouTube and Twitter jump up and down; subscriber counts lag, like-counts bounce all over the place. Why is it so hard for computers to count? To answer that, we need to talk about threading, eventual consistency, and caching. [Tom Scott]

How Loneliness Can Affect Your Health

Loneliness isn’t much fun, but it might also be harmful to your heart—not just in a metaphorical sense, but your actual physical heart, as well as some of your body’s other functions. [SciShow Psych]

The Evolutionary Advantage of Caffeine [Science Video]

The chemistry of the universe is, in a way, in your morning cup of coffee — from the evolution of caffeine as a defensive chemical weapon in plants to the swirling eddies of milk and coffee fueled by diffusion, Brownian motion and other phenomena. After watching the video, you’ll never look at coffee the same […]

What is Farthest Away Anything Can Be? [Science Video]

A long time ago, in a galaxy far, far away… The edge of everything used to be the edge of the map. But now, thanks to what we know about astrophysics and the universe, the edge of everything might not even exist… [It’s Okay To Be Smart]

Beer Facts and Life Hacks! [Video]

Today, science teaches us all we need to know about beer. Does it make us creative? Does it make us utilitarian? We also learn the history of light beer and facts about hops. And of course, there are beer life hacks! The best way to open a bottle! [Mental Floss]