WASHINGTON (AP) -- They live on your skin, up your nose, in your gut - enough bacteria, fungi and other microbes that collected together could weigh, amazingly, a few pounds....
By LAURAN NEERGAARD, Associated Press
Wed, 06/13/2012 - 9:06pm
WASHINGTON (AP) -- They live on your skin, up your nose, in your gut - enough bacteria, fungi and other microbes that collected together could weigh, amazingly, a few pounds....