Now submerged caves in the Yucatán Peninsula contain remains of ocher-mining operations that date back at least 10,000 years.



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Mexico Caves Reveal Ancient Ocher Mining

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Cows and at least one person in the U.S. have been sickened by avian influenza. We asked experts about the risk to humans.
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How Big a Threat Is Bird Flu?

Volcano detectives use artificial intelligence to sleuth out ancient secrets in Alaska.
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How a New AI Model Helps Volcanic History Rise from the Ashes

These marine mammals are very hard to observe, but in the past two decades the roughly 20 or so people in the world who study sperm whales have found some compelling evidence of culture among them.
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Do Sperm Whales Have Culture?

Today we’re going to look at how measles—a disease that was practically eliminated in the U.S.—has resurged in recent months, because people basically forgot how bad it was and got complacent about vaccines. 

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Measles Is Back, and That’s Scary

Dr. Chanda Prescod-Weinstein is a professional astronomer—with a passion for amateur astrophotography—and she's here to offer tips and tricks for want to get into capturing the night sky.
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Mexico Caves Reveal Ancient Ocher Mining

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