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Why human language may be intertwined with fire

Understanding how human language evolved is one of the hardest problems in science to unpick

Video Shows a San Diego Dog Seeming to Greet an Intruder. Why Didn’t He Bark?

MICHAEL LEVENSON

Dog behavior experts offered a variety of explanations for why Nash the golden retriever wagged his tail and carried a toy near a man who broke into his owner’s home.

Two Centuries On, Smithsonian Connects Jefferson’s Hair to Hemings’s Children

JENNIFER SCHUESSLER

A new book describes how cutting-edge genomics techniques yielded “extraordinary proof” that Thomas Jefferson fathered children with Sally Hemings.

Archaeologists Decode Rules of an Ancient Roman Board Game

FRANZ LIDZ

They scanned the pattern of microscopic imperfections on an ancient limestone slab, and used A.I. to figure out how a game might have been played.

Space weapons, AI safety concerns and the EPA’s rollback of power plant emission rules

From orbital weapons to AI risks and weaker emissions rules

COVID cases are on the rise—here’s how to stay healthy this winter

The virus is currently most prevalent in California and the southern U.S., but experts expect it to go national in the coming weeks

9 ‘boundaries’ keep Earth livable. We’ve breached 7 of them

Earth's annual checkup shows that we're at increasing risk of moving away from the environment we're adapted to

Did OpenAI solve the wrong Navier-Stokes problem?

OpenAI's proof seems eligible for a $1-million prize—but only by using a controversial loophole

What a Massive New Crater Means for Future Moon Bases

ROBIN GEORGE ANDREWS

At a whopping 728 feet wide, the newfound basin hints at the risks that impact events may pose to planned human outposts.

David George Gordon, Apostle for Bugs on the Dinner Plate, Dies at 76

MICHAEL S. ROSENWALD

His “The Eat-a-Bug Cookbook” made a case for insects as food, while his boisterous cooking demonstrations brought tarantulas and crickets to TV.

Are A.I. Models Being Misled to Act Too Human?

CADE METZ

A corporate spat between two tech giants last week was just the latest volley in a conflict over whether dangerous mistakes are being made in A.I. training.

What a Trump order to put political appointees in charge of NIH funding would mean for science

Advocates and scientists warn that giving political appointees power over research grants would "upend" U.S. science