Just Ask the Dinosaurs How Bad Air Quality Can Get
If an orange sky seems apocalyptic, imagine planet-wide fires against a black sky.
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Being Human
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Cyclosporiasis Is Solved! Right?
The federal government announced that iceberg lettuce at Taco Bell was to blame for the outbreak. But it still hasn’t answered some crucial questions.
The Lessons About Ebola the U.S. Wants to Forget
The world’s capacity to control the disease has improved in the past decade, but only because of dedicated investment and coordination.
Pete Hegseth Wants YOU to Test Your Testosterone
The secretary of defense has a questionable plan to monitor the hormone levels of every service member over 30.
All the Cool Kids Are Birding
A younger crowd is flocking to a hobby once dominated by retirees—and transforming it along the way.
America’s Homegrown-Parasite Problem
Scientists don’t know why cyclosporiasis, a tropical diarrheal disease, is spreading more and more from domestic sources.
The Newest Way to Go Analog
Digital devices from a less connected era are getting a second life.
Lab-Leak Payback Has Begun
Indictments, subpoenas, and debarments are hitting American scientists embroiled in the controversy over COVID’s origins.
The Genes That Could Cancel Out a Fatal Diagnosis
The key to treating genetic disease might be hidden in other “modifier” genes.
At Least You’re Not Playing in the World Cup Right Now
The athletes train for this heat, but even elite-level acclimation only goes so far.