The Fable of the Dragon-Tyrant [Video]

This short film is based on a story by Nick Bostrom. The moral of the story: The ethical argument that the fable presents is simple: There are obvious and compelling moral reasons for the people in the fable to get rid of the dragon. Our situation with regard to human senescence is closely analogous and […]


Why Can’t You Divide by Zero?

In the world of math, many strange results are possible when we change the rules. But there’s one rule that most of us have been warned not to break: don’t divide by zero. How can the simple combination of an everyday number and a basic operation cause such problems? [TED Ed]

Astronaut Chris Hadfield Debunks Space Myths

Retired astronaut Chris Hadfield helps debunk (and confirm!) some common myths about space. Is there any sound in space? Does space smell like burnt steak? Is NASA working on warp speed? [Wired]

TESS: NASA Just Launched a New, Planet-Hunting Telescope This Week!

From launching a new satellite, to finding diamonds from a lost world, researchers have been hard at work transforming how we think about our planet, the solar system, and the rest of the universe. [SciShow Space]

The Black Hole Bomb and Black Hole Civilizations

Everything you think you know about the weirdest thing in the universe (black holes) is about to get weirder for one simple reason: black holes are spinning! [Kurzgesagt – In a Nutshell]

Why Nutrition Studies Keep Contradicting Each Other [Science Video]

It seems like nutrition studies contradict a lot, and it’s practically impossible to get a straight answer on whether a given food or supplement is good for you. But why? Find out in this episode of SciShow! [SciShow]

Science Tech Support: Bill Nye Answers Even More Science Questions From Twitter

Bill Nye uses the power of Twitter to answer even more science questions. How does the internet work? What’s the difference between a meteor, meteorite, and an asteroid? Does anyone really know how gravity works? Is water wet? Bill answers all these questions and more! [Wired]

6 Diseases That Have Shaped Human History

Infectious diseases have had some pretty major impacts on human history… and that’s putting it mildly. Here are 6 diseases that shaped human history. [SciShow]