Terrified of Bathroom Germs? This Toothbrush Zaps Them for You
As invisible threats like coronavirus and disease-resistant staphylococci close in, we find ourselves in an age where one simply cant…
To Fight Covid-19, Curb the Spread of Germs—and Rumors
“If you’re not going to give me information,” one of my students said during class, “I’m going to take what…