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Feverish after a vaccine? The reason could be your gut microbiome

In a new study, people who had worse fevers after a COVID shot tended to have similar gut characteristics

One doctor’s fight to make IUD placement better

A new study shows promising results in lowering pain during IUD placements

Just how sunlike is the sun?

When compared with similar stars, where does sun fit in?

I gave Meta’s Muse and OpenAI’s Dots my passwords for a week

Meta's and OpenAI's new agents can streamline your life. Artificial intelligence researchers helped me test how far to trust them

Cancer Vaccines Are the N.I.H’s Next ‘Big Bet’

GINA KOLATA

New details have emerged about an initiative that starts in December to fast-track the vaccines, similar to the successful push for the Covid-19 vaccine.

Margaret Hamilton, Whose Software Guided the Apollo Missions, Has Died

TRIP GABRIEL

Margaret Hamilton, the first female programmer hired to work on the space project at M.I.T., was 90.

The Social Reckoning is a ‘surreal’ portrait of social media’s harms, scientist says

The movie is based on the true story of how Facebook employee Frances Haugen blew the whistle on the company's safety practices

Jonathan the Giant Tortoise Is 194 Years Old. He Just Had His Genome Sequenced.

MONIQUE BROUILLETTE

Scientists have sequenced his genome for the first time, hoping the world’s oldest land animal can offer clues into the genetics of longevity.

Major earthquake strikes Panama—damage and injuries are expected

The quake was a strike-slip event, and strong aftershocks could follow

How Hurricane Isaias got so dangerously strong so fast

The Category 3 storm intensified overnight—and is headed toward the U.S. Gulf Coast. Here's what to know

This beer-making waste may offer a new stream for cleaner water

The research offers yet another way the brewery industry might repurpose its myriad by-products

Why taking a break from exercise might not mean you need to start from scratch

Why taking a break from exercise doesn't may not mean you need to start from scratch