Fossils Are Tackling One of Conservation’s Toughest Questions
Shark teeth and caribou antlers are helping unlock where animals can live in a changing climate.
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Alexis Bonogofsky / U.S. Fish & Wildlife Service Veganism Might Not Be the Most Sustainable Diet
Some scientists are upending the traditional wisdom that no meat is best for the planet.
Richard Kalvar / Magnum In Some Places, People Talk in Whistles Louder Than Car Horns
More than 80 communities around the world have turned entire languages into whistles as a way to communicate over long distances.
Sarah Andrews / AP And You Thought Your Blood Pressure Was High?
Giraffes’ blood pressure is double that of most humans, but it doesn’t seem to faze them at all.
Tony Karumba / AFP /Getty How Bowhead Whales Live for 200 Years
Size isn’t everything.
Taro Yamasaki / The LIFE Images Collection / Getty
