What will suspended animation really be like? A new study offers hints.

In early winter, brown bears find a comfy spot in a cave or burrow that's well-protected from the cold. Then they curl up, fall asleep, and don't awaken or eat for 5 to 7 months. It's called hibernation, and until now we weren't really sure what happened in bears' bodies during that time. How could they survive for… »2/17/11 9:06pm2/17/11 9:06pm