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The secret Cold War history of Tetris

The beloved game arose out of the opposing forces of the U.S. and the Soviet Union

Dogs Will Fight Bears. But Not Because of the Reason You Might Think.

ALEXANDER NAZARYAN

Scientists analyzed hundreds of encounters between bears and canines. The results raise the suggestion that dogs may not always protect people in the wild.

Did Anthropic’s A.I. Really Make a Scientific Discovery on Its Own?

CARL ZIMMER

An expert at the University of Copenhagen said his team had been sharing its research with the company’s A.I. model, Claude, and that its new finding matched their work.

SpaceX’s Starship Is Set to Make Its First Orbital Flight

KENNETH CHANG

If successful, the 14th test flight will be a crucial milestone toward the company’s ambitions of sending people to the moon and Mars.

Growing AI energy demands, the search for subatomic particles and the hottest amoeba

From the smallest building blocks of life to prehistoric vomit and a newly discovered amoeba that can really take the heat.

Donor hearts may take on the age of their new bodies

After transplant, young hearts in both mice and humans showed signs of accelerated aging in older bodies, while older hearts in younger bodies seemed rejuvenated

SpaceX’s Starship lifts off in make-or-break orbital test flight

The world's largest rocket is on a 10-hour mission to prove its mettle

Surprising result seen in primordial matter inside atom smasher

Physicists at the Relativistic Heavy Ion Collider on Long Island have seen hints of a phase transition from the early universe