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Weight loss drugs don't work for everyone—here’s why

Some people who take GLP-1 drugs such as semaglutide and tirzepatide see little to no changes to their weight. The reason why may be genetics

Fundamental principles of the universe called into question by two physicists

A new study claims that the universe isn't entirely the same no matter where you look—a radical proposal

How quantum sensing could reveal hidden faults in thousands of U.S. bridges

Of the more than 624,000 highway bridges in the U.S., an estimated 220,000 need repairs. Quantum sensors could help engineers better safeguard these vital pieces of infrastructure

Trump Administration Forms Partnership to Bank DNA From Imperiled Species

CARL ZIMMER AND CATRIN EINHORN

The government is teaming up with Colossal Biosciences, a private company that claims to have revived extinct dire wolves, to store samples from at-risk animals and plants.

These Birds’ Backflips Are Fueled by Sugar

K. R. CALLAWAY

An ancient dietary change made the manakin’s flashy courtship display possible, a new study suggests.

France just hit its hottest day ever recorded

Scorching temperatures across France rose to a record-breaking average 30 degrees on Wednesday

Chemours to Pay $450M in First Federal PFAS Settlement

HIROKO TABUCHI

The settlement addresses the dumping of PFAS “forever chemicals,” which have been linked to cancer and other risks, by Chemours in several states.

Medical Journal Retracts Study Claiming Cancer Therapy Is More Effective When Given in the Morning

REBECCA ROBBINS

In a notice flagging a series of problems with a clinical trial, the journal Nature Medicine said its editors “no longer have confidence in the integrity of the results.”

Climate Change Fueling Europe’s Ferocious Heat Wave, Scientists Find

RAYMOND ZHONG

A scientific analysis concluded that such high temperatures, across so much of the continent, would “not have been possible” without global warming.

How Mbappe, Haaland and Messi use psychology to stay sharp at the World Cup

Sports psychology plays a major role on and off the pitch, helping players manage chaos and stay strategic

How a Bird’s Habitat Can Change Its Song

K. R. CALLAWAY

For the Bachman’s sparrow, whether a song is passed to the next generation could depend, in part, on the wind and trees.

Cosmic imposters show astronomers sometimes get things hilariously wrong

Sometimes we mistake one kind of object with another to disastrous effect

FEMA Official Who Claimed He Once Teleported to a Waffle House Is Leaving

BRAD PLUMER AND SCOTT DANCE

Gregg Phillips was in charge of the emergency response agency’s largest division and had come under scrutiny for a series of bizarre claims.

What happens at the edge of a black hole? Astronomers may be close to finding out

The discovery of a completely new type of gravitational wave could reveal what happens near a black hole's event horizon

Ancient Roman scrolls destroyed by Mount Vesuvius digitally unrolled in full for first time

This Silicon Valley-backed venture is unraveling the mangled remains of scrolls ruined by the 79 C.E. eruption of Vesuvius that destroyed Herculaneum and Pompeii