Hands-free faucets and soap dispensers help stop germ spread. • It’s recommended that light switches are wiped down regularly, but what if your hands didn’t have to touch the light switch at ...

Voila. Germ transfer complete. Most of us touch our faces 10 to 25 times an hour! How to up your odds of staying healthy in a germy, digital world?

In 1965, Schaedler and colleagues introduced a new use for GF animals: the transfer of bacterial cultures to germ-free mice. Such transfer experiments have been essential in studying the effects ...