and plastic toys are common objects. During the winter respiratory virus season, public touchpoints, such as a grocery ...

But for most of us, public toilets are actually a bit scary. If you squirm at the thought of creepy germs lurking on toilet seats and faucet handles, you probably spend as little time as possible ...

His model from 1826 could magnify objects 1,000 times, which enabled scientists to see germs and bacteria in more detail than had been possible before. The next great breakthrough came in the ...