Bacteria outnumber us a trillion to one. So it's a good thing most of them are friendly.
Gerald Callahan, the author of Infection: The Uninvited Universe, talks about why we need bacteria to survive.
Bacteria outnumber us a trillion to one. So it's a good thing most of them are friendly.
Gerald Callahan, the author of Infection: The Uninvited Universe, talks about why we need bacteria to survive.