There are over 10 quadrillion (that's 10,000,000,000,000,000) little critters living in your intestines. That's more bacteria then the cells in your body -- by a factor of 10 -- even more then the total number of stars in the Milky Way Galaxy!
"Basically, we are a walking bacterial colony," said...
3 Comments | Posted January 30, 2012 | 01/30/12 06:13 PM ET