Our bodies are covered in a sea of microbes -- both the pathogens that make us sick and the "good" microbes, about which we know less, that might be keeping us healthy. At TEDMED, microbiologist Jonathan Eisen shares what we know, including some surprising ways to put those good microbes to work.
Check out the the video in the panel to the right.
Jonathan Eisen studies the ecology and evolution of microbial communities -- and their co-evolution with their hosts. If you'd like to know more about the Human Microbiome Project mentioned in the video, click here.