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Half of the world’s coral reefs have died in the last 30 years. The fight to save the remaining reefs just got more complicated. New research shows that even if people succeed in protecting reefs from pollution and overfishing, global…
For a mother and kids at the Philadelphia Zoo, in Pennsylvania, it was a close encounter of the ferocious kind. Directly in front of them was a Siberian tiger. But the family did not panic. They laughed. The tiger was…
New Zealand plans to get rid of rats, possums, and other mammals by 2050. The country hopes to save native birds from these invasive species. Rats are not many people’s favorite animal. But in most places, people have to learn…
Vultures play an important role in ecosystems. With vulture populations dropping fast, researchers are racing to save these strange birds. Vultures are often portrayed as scary creatures, circling above a wounded animal, waiting for its death—and their dinner. Their bald…
Thanks to government protections, grizzly bears have bounced back from near-extinction. But can they survive in the wild without help? Grizzly bears have all but disappeared from the continental United States (see map). But there’s one place where the top…
TIME’s space writer spent 24 hours inside a NASA base in Hawaii that copies conditions on the Red Planet. I encountered a lava tube at the end of a 10-minute walk from my Martian habitat. I had reached the top…
The brain is easily the most complicated organ in your body and the nimblest computer that has ever existed. But no matter how powerful its operating system, its storage system stinks. Memory is imperfect. It depends on how rested we…
For much of baseball's history, pitchers rarely threw a ball 100 miles per hour (m.p.h.). But over the past decade, more pitchers have been coming closer to triple digits than ever before. Among pitchers who threw at least 40 innings…
It was June 6, 1989, and President George H.W. Bush had just placed a ban on all imports of elephant ivory into the United States. A wildlife inspector spotted a shipment of about 200 ornately carved ivory buttons. The person…
