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 5:30pm 1/15/15 5:30pm

Bad News: Scientists Have Measured 16-Foot Waves In The Arctic Ocean

For the first time, waves as tall as 16 feet have been recorded in Arctic waters. If these waves are speeding the breakup of the region's remaining ice, as oceanographers suspect, they could signal the birth of a feedback mechanism that will hasten the Arctic's march toward an ice-free summer. » 7/30/14 1:30pm 7/30/14 1:30pm