The heat takes a slow and brutal toll on the teens in Sarah Mueller’s high school chemistry class in Pittsburgh, Pennsylvania. By 7:30 in the morning, the classroom can hit 84 degrees Fahrenheit. Mueller tries to keep students’ spirits up by joking with them. (“People pay a lot of money …
Read More »Covid Boosters Can’t Outpace New Mutations. Here’s Why They Still Work
Updated vaccines against Covid-19 are coming, just as hospitalizations and deaths due to the virus are steadily ticking up again. Today, the US Food and Drug Administration authorized new mRNA booster shots from Moderna and Pfizer, and a panel of outside experts that advises the Centers for Disease Control and …
Read More »Serious Brain Trauma Starts Well Before Young Athletes Go Pro
Content warning: This story includes references to death by suicide. Evan Hansen was born to play football. A strong, rambunctious kid, he started playing sports year-round as early as he could. “He was very selfless, always willing to sacrifice himself for the betterment of the team,” says his father, Chuck …
Read More »Yes, There’s a New Covid Variant. No, You Shouldn’t Panic
It’s scariant season—again. A new offshoot of Omicron, BA.2.86—nicknamed Pirola—has popped up in Israel, the US, South Africa, and the UK after it was first recorded in Denmark in late July. Pirola initially set off alarm bells because it was spotted in four countries at the same time—and because, having …
Read More »Scientists Just Tried Growing Human Kidneys in Pigs
In a first, researchers in China have used pigs to grow early-stage kidneys made up of mostly human cells. The advance is a step closer to producing organs in animals that could one day be transplanted to people. More than 100,000 people in the United States are on the national …
Read More »A Flesh-Eating Bacterium Is Creeping North as Oceans Warm
If you were planning on a shore vacation this year, you might have kept track of great white sharks. The apex predator made famous by Jaws (and, OK, by The Meg and Sharknado) has been spotted on East Coast beaches from South Carolina up past Cape Cod, leaving potential beachcombers …
Read More »Ozempic and Wegovy Can Also Protect Your Heart
The benefits of the drug semaglutide, sold under the brand names Ozempic and Wegovy, seem to go beyond controlling diabetes and helping people shed pounds. New research shows that the drug also has cardiovascular benefits and may lead to a better quality of life for people with heart problems who …
Read More »The Massive Campaign to Air-Drop Tiny Rabies Vaccines to Raccoons
This August, government airplanes and helicopters have been dropping tiny parcels from the sky for raccoons to find. Each one is about the size of a ketchup packet and contains an oral rabies vaccine that coats the mouth of the animal that bites into it. The vaccine is the United …
Read More »The Battle Against the Fungal Apocalypse Is Just Beginning
In February, a dermatologist in New York City contacted the state’s health department about two female patients, ages 28 and 47, who were not related but suffered from the same troubling problem. They had ringworm, a scaly, crusty, disfiguring rash covering large portions of their bodies. Ringworm sounds like a …
Read More »The World Is Going Blind. Taiwan Offers a Warning, and a Cure
Doing surgery on the back of the eye is a little like laying new carpet: You must begin by moving the furniture. Separate the muscles that hold the eyeball inside its socket; make a delicate cut in the conjunctiva, the mucous membrane that covers the eye. Only then can the …
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