Fear of public speaking tops death and spiders as the nation's number one phobia. But new research shows that learning to rethink the way we view our shaky hands, pounding heart, and sweaty palms can help people perform better both mentally and physically.

Researchers from the University of Rochester and Texas A&M University have found that, over a period of five months after the Deepwater Horizon oil spill, naturally-occurring bacteria removed at least 200,000 tons of oil and natural gas.