Sep 8, 2021
The Plan to Stop Every Respiratory Virus at Once
When London vanquished cholera in the 19th century, it took not a vaccine, or a drug, but a sewage system. The city’s drinking water was intermingling with human waste,...
May 16, 2021
The Surprise Hiding in the DNA of Pet Fish
In 1975, scientists tried spaying a few hundred female betta fish. We all know what happens to spayed cats and dogs: They become sterile. Betta fish are different. A third of the...
Mar 19, 2021
A Gruesome Feeding Frenzy in the Atlantic Ocean
A dead whale can mean many things, but to sharks, it means a feast. This is the scene Chip Michalove encountered on March 4, when he saw the dead right whale bobbing in the ocean,...
Feb 10, 2021
What If We Never Reach Herd Immunity?
Let’s begin by defining our terms. Herd immunity is the hazy, long-promised end of the pandemic, but its requirements are quite specific. Jennie Lavine, a biologist at Emory...
Jan 19, 2021
A Troubling Pattern Among the Coronavirus Variants
For most of 2020, the coronavirus that causes COVID-19 jumped from human to human, accumulating mutations at a steady rate of two per month—not especially impressive for a...
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