First Bacteria Census Taken

06.14.12 | Sarah Harnisch

Irritated with your weight? Subtract three to six pounds. That's how many pounds, researchers say, of bacteria, fungi, and microbes, you have in your body. Two-hundred scientists at 80 research organizations just wrapped up a 173-million dollar project mapping where all those critters are. They did the first bacteria census.  They found that there are over 10-thousand germ species every day on healthy people.