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…
The fossil record reveals the last 3.4 billion years of life on Earth. But before then, when life first emerged, we have next to nothing. The consensus view is that life began in the oceans... but there might be another, weirder, possibility.
Earth runs on massive amounts of heat, enough to melt iron in the core and create our magnetic field, enough to power the constant movement of plate tectonics. Where all this heat comes from is a mystery...but we're getting closer.