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Louis Nirenberg, ‘One of the Great Mathematicians,’ Dies at 94

Fossilized Tooth Captures a Pterosaur’s Failed Squid Meal

Mr. Sun Is Ready for His Close-Up

Bumblebee Vomit: Scientists Are No Longer Ignoring It

Earth’s Oldest Asteroid Impact Found in Australia

How Fast Can a Human Run?

What Wolf Pups That Play Fetch Reveal About Your Dog

Ronald Melzack, Cartographer of Pain, Is Dead at 90

How’s Your Internship Going? This Teen Found a Planet

Second U.S. Baby to Be Born From a Dead Donor’s Uterus Is Delivered

Fossil Reveals Earth’s Oldest Known Animal Guts

Second Baby Is Born in U.S. After Uterus Transplant From a Dead Donor

Attacks by Urban Coyotes Are Rare, but Frightening