This Is Literally Your Brain on Drugs

A small new study shows reactions in the brain in people who were given psilocybin in a controlled setting.

By Andrew Jacobs

Sharks Don’t Sink. And Neither Does She.

In a new memoir, the marine biologist Jasmin Graham reflects on her passion for studying sharks and the barriers she refused to let stop her.

By Katrina Miller

Vaccines Significantly Reduce the Risk of Long Covid, Study Finds

In the first two years of the pandemic, the rate of long Covid was starkly lower among people who were vaccinated, researchers reported.

By Pam Belluck

Long Covid and Vaccination: What You Need to Know

A new study adds to evidence that the shots can reduce the chances of developing one of the most dreaded consequences of Covid.

By Apoorva Mandavilli

NASA Spent $450 Million on a Moon Rover. Now It’s Canceling the Mission.

Delays and concerns about NASA’s future budgets doomed the VIPER mission, which aimed to search for ice near the moon’s south pole.

By Kenneth Chang

Trilobites

The Eruption of Mt. Vesuvius Wasn’t Pompeii’s Only Killer

While the volcano’s eruption was deadly, research shows that many people in the ancient Roman city died in building collapses from the earthquake associated with the outburst.

By Jordan Pearson

Trilobites

A Slap of a Honeybee’s Wings Sends Ant Invaders Flying Away

Asian honeybees protect their hives by making insect intruders go airborne.

By Elizabeth Anne Brown

For These Nearly Extinct Crocodiles, Life Found a Way

The largest population of the endangered Siamese crocodiles this century hatched in Cambodia, a big moment for the conservation of a wild species once on the brink of extinction.

By Austyn Gaffney

Here’s Where Kamala Harris Stands on Climate

She pursued polluters as attorney general in California and later staked out bold positions as a senator, including sponsorship of the Green New Deal.

By Lisa Friedman

E.P.A. Announces $4.3 Billion in Funding for 25 Climate Projects

States, tribes, local governments and territories sent in proposals aimed at cutting greenhouse gas emissions.

By Austyn Gaffney

We Mapped Heat in 3 U.S. Cities. Some Sidewalks Were Over 130 Degrees.

Air temperature is just one measure of how heat affects cities and people. See how high surface temperatures, which bring additional risks, can get.

By Raymond Zhong and Mira Rojanasakul

Is Bird Flu Spreading Widely to Farm Workers? A Small Study Offers Some Reassurance

Officials found no evidence of silent infections in 35 Michigan dairy workers, but experts noted that much more data was necessary.

By Emily Anthes and Noah Weiland

the new old age

Some Seniors Readily Step Back. Some Never Will.

Researchers are only beginning to understand why some people embrace retirement while others won’t even consider it.

By Paula Span

Which Weight Loss Drug Should You Choose (if You Get to Choose)?

As patients consider drugs like Wegovy, Ozempic, Zepbound and Mounjaro to treat obesity, experts say the choices are not so simple.

By Gina Kolata

Moving in Childhood Contributes to Depression, Study Finds

A study of more than a million Danes found that frequent moves in childhood had a bigger effect than poverty on adult mental health risk.

By Ellen Barry

The first vaccine for malaria received major regulatory approval in 2015.

After years of delay, millions of malaria vaccines are being supplied to children in Africa. Tens of thousands died waiting.

By Stephanie Nolen