When it comes to sexual education, American schools are failing. There’s no nice way to put this: Sex education in the United States sucks. The Centers for Disease Control and Prevention (CDC) released new data today showing that fewer than half of high schools and only a fifth of middle schools teach all 16 sex education topics recommended by the agency. In a country …
Paul Dawson – Is it really OK to eat food that’s fallen on the floor?
When you drop a piece of food on the floor, is it really OK to eat if you pick up within five seconds? This urban food myth contends that if food spends just a few seconds on the floor, dirt and germs won’t have much of a chance to contaminate it. Research in my lab has focused on how food …