Why does this fire keep burning, even after you smother it?

Want to see a fire that's so determined that it will burn merrily away even though you rob it of oxygen? Then grab a big block of dry ice and some magnesium and prepare for horror! ...and cool visual effects. » 7/11/13 9:40am 7/11/13 9:40am

Incredible chemical reactions captured at thousands of frames per second

We love chemical reaction videos. We also love high speed videography. Now, Destin from Smarter Every Day and The Prof from Periodic Table of Videos have teamed up to record some of the most visually arresting chemical reactions on Earth at thousands of frames per second. » 12/24/12 7:20am 12/24/12 7:20am

What do the Milky Way's billions of Earth-like planets really look like?

The latest estimates suggest there are at least 160 billion exoplanets in the Milky Way alone, which means there could easily be several billion potentially habitable worlds in our galaxy. But are all these Earth-like planets really like our home? » 2/23/12 4:20pm 2/23/12 4:20pm

Ten amazing (and occasionally explosive) chemical reactions, caught on…

It's fun to watch chemistry labs explode on video, but you know what's even more fun? Watching a chemistry experiment in action, with a good explanation of what's going on. That's science at its most awesome. Here are ten of our favorite chemical reactions caught on video — which also include excellent commentary on… » 2/20/12 10:53am 2/20/12 10:53am