Germs do not spread at the speed of a Twitter text message. Still, germs can spread at an extraordinary rate, one which recently gave Union students a good reason to “tweet” their friends. They wanted ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. To mark our 150th year, we’re revisiting the Popular Science ...
Germ theory is the idea that pathogens can invade the human body and cause disease — and it wasn't always accepted. Evidence for germ theory accumulated over time, and as it did, it butted against ...