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Islands Helped Penguins Evolve. Then Hungry Humans Showed Up.

Beaked Whales Are the Deepest Divers

The Patient Had Bone Cancer. The Diagnosis Arrived 240 Million Years Too Late.

The Northern and Southern Lights Are Asymmetric Dancers in the Dark

Celebrating Lunar New Year and the Diversity of the World’s Calendars

The North Pole is mysteriously moving, and the U.S. government finally caught up

The Deadliest Quake of 2018 Was Also the Fastest Ever

How the Hummingbird Bill Evolved For Battle

The Hummingbird as Warrior: Evolution of a Fierce and Furious Beak

Many Children Are Overdoing It on the Toothpaste, C.D.C. Study Says

Flying Squirrels That Glow Pink in the Dark

How NASA’s Curiosity Rover Weighed a Mountain on Mars

We Tried Five Polar-Weather Experiments. Here’s What Happened.