Imagine a hospital where one maternity ward's mothers died at five times the rate of another, and the difference was whether doctors carried the smell of corpses on their hands. In 1847 Vienna, Ignaz ...

Way back in the early, whirlwind days of the pandemic, surfaces were the thing to worry about. The prevailing scientific wisdom was that the coronavirus spread mainly via large droplets, which fell ...

Let’s say that somebody in your family has been sick. To make sure those germs are gone, would it be better to scrub your dishes by hand or put them in the dishwasher? If you used water from the ...

People were washing their hands so much early in the pandemic that sensitive skin and soap shortages were common problems in 2020. All this focus on hand-washing was for good reason. The science ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Click here to see all of PopSci’s COVID-19 coverage. With the ...