Are you a "germaphile" or "germaphobe"?
WNYC's Mary Harris, the host of Only Human, and Rob DeSalle, of the American Museum of Natural History's Genomics Institute and co-curator of the current exhibit "The Secret World Inside You," explain the "microbiome" made up of the 100 trillion bacteria living in our guts and on our skin.
→ Check out the exhibit: It's on display at the Museum of Natural History (located at Central Park West and 79th Street) until August 14th. More info here.