The strictly non-medical history of laughing gas

People have always used laughing gas, or nitrous oxide, recreationally. Whether they're casual whippet users or have access to a steady supply of the medical-grade stuff, people have enjoyed the drug since its discovery over 200 years ago. In fact, there was a time when doctors would have been horrified at the idea of… » 8/16/12 9:00am 8/16/12 9:00am

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