Showing results for "Persons" in Biology

As humans continue to make amazing discoveries in outer space, we also face a unique challenge—living in an environment that we're not meant to live in. Find out how long-term exposure to outer space affects the human body and what scientists are doing to combat it.

Your mouth contains more bacteria than a dog's. Money is covered with germs that can make you sick. The germs in a sneeze travel only an arm's length. You may have heard these common sayings or beliefs before. But are they really true? Can they be proven through research? Let's investigate 17 statements about the microscopic world and find out which ones are right, which ones are wrong, and which ones stump even the experts! Find out whether millions of tiny creatures are living under your bed!