The latest video interview with the legendary Bill Gates, where he's talking about the Windows 8, Windows Phone 8 and the newest player in the tablet market, the Microsoft Surface.
The circular grass creations, that look like something out of a different planet scattered throughout the Namib Desert have long been one of the mysteries of science.
Yes you read it right, Heather Dewey-Hagborg makes 3D portraits from the DNA collected from objects like cigarette butts or chewing gums she picks from sidewalks, tossed away by strangers.
