High-Speed Video Reveals The Source Of That Incredible After-Rain Smell

That smell has a name. It's called petrichor. For decades, scientists have speculated on where this smell comes from, but the mechanism behind the phenomenon has remained elusive. Now, researchers at MIT studying high-speed video of raindrops think they've found the answer: The smell is released in tiny aerosol clouds… »1/15/15 8:30pm1/15/15 8:30pm

Bubbles popping at 18,000 fps is every bit as mesmerizing as it sounds

This is the slowest video YouTube's "Slow-Mo Guys" have ever done. That, in and of itself, is saying something. That it happens to be a video of bubbles popping just turns the whole viewing experience up to 11. Don't get us wrong, bursting bubbles has always been fun — but doing it turned down thousands of times… »2/25/13 5:40pm2/25/13 5:40pm

Watch this now. We bet you've never seen a more stunning video of a cheetah in your life.

This is the first ever high-definition, super-slow-motion video footage of sprinting cheetahs, which — I think we can all agree — are basically the reason high-frame-rate video cameras were invented. So stop it. Stop what you're doing and watch this. Because this is more important. »11/27/12 4:28pm11/27/12 4:28pm