It’s that time of the semester when homework assignments, projects, and the dreaded final exam of every class is upon you. It’s the end of a long semester and with every ounce of concentration and...

Everywhere you look and everything you touch is crawling with organisms, even your own hands. Some are harmful and make us sick, like E. Coli strain 0175:H7. Others help us out, like the E. Coli that lives...