Science

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90 Minutes to Give Baby Luna a New Heart

After eight years of training, Dr. Maureen McKiernan made her debut as the lead surgeon on an infant heart transplant — an operation on the edge of what’s possible.

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This Diminutive Reptile Plays Rock-Paper-Scissors

Side-blotched lizards probably don’t call the game that, but they play a version of it anyway. A new study explains the hidden biology that makes this possible.

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New York to Phase In Protections for Horseshoe Crabs

Gov. Kathy Hochul signed legislation that will ultimately ban the catch and biomedical use of the crabs.

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Research Library at NASA’s Goddard Space and Flight Center to Close Friday

Holdings from the library at the Goddard Space Flight Center, which includes unique documents from the early 20th century to the Soviet space race, will be warehoused or thrown out.

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Space Events 2026: NASA’s Artemis II Moon Mission, Summer Eclipse and More

In 2026, there will be journeys to the moon and Mars, new visions of the cosmos and a solar eclipse that might be worth traveling for.

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Bacterial Vaginosis Is No Longer Thought to Affect Only Women

Gynecologists long viewed bacterial vaginosis as solely a women’s issue — until a study that treated their male partners, too, proved otherwise.

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Claire Brosseau Wants to Die. Will Canada Let Her?

Ms. Brosseau says mental illness has made her life unbearable. She wants a medically assisted death. Even her psychiatrists are split over whether she should have one.

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Twins’ Peaks: The Gilbertson Brothers Want to Rewrite Your Country’s Map

Two brothers, both mechanical engineers, are climbing many of the world’s tall peaks to prove they have been measured incorrectly.

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Feral Dogs on the Roof of the World

As many as 25,000 free-ranging dogs roam the cold, high-altitude desert of Ladakh, India. That’s a problem for wildlife and people alike.

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Before This Physicist Studied the Stars, He Was One

Brian Cox once toured as a keyboardist in major rock and pop bands. Now he’s a particle physicist on a new world tour with a dazzling show he designed in an era of science disinformation and denial.

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