Live Science

What's Hot This Week Climate Change Debunked? Not So Fast Stephanie Pappas, LiveScience Senior Writer New research suggesting that cloud cover, not carbon dioxide, causes global warming is getting buzz in climate skeptic circles. But mainstream climate scientists dismissed the research as unrealistic and politically motivated. Copying Someone's Behavior? Watch Who You Mimic by Remy Melina, LiveScience Staff Writer While imitating another may be a sincere form of flattery, such mirroring can get you into trouble socially if you're copying the wrong person, new research shows. Sponsored by: Cougar's Record-Breaking Trek Reveals Larger Trend Best Science Photos of the Week - July 26, 2011 A Mosasaur Tail: How Ancient Reptiles Came to Rule the Oceans Sitting Is Deadly, Mounting Research Reveals What the Heck Is This?