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Earth Recycles Ocean Floor Into Diamonds

The diamond on your finger is most likely made of recycled seabed cooked deep in the Earth. Traces of salt trapped in many diamonds show the stones are formed from…

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Is Traffic-Related Air Pollution Killing Us?

It’s summer getaway season. According to AAA, two-thirds of American families are taking a summer vacation this year, and more than half of us are planning a road trip. But…

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Tracking Down 20 Million ‘Missing Girls’ In China

When University of Kansas professor John James Kennedy began working in rural China, he would get introduced to villagers with multiple children — despite the country’s strict one-child policy. The associate…

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Unusual Galaxies Defy Dark Matter Theory

After drawing both praise and skepticism, the team of astronomers who discovered NGC 1052-DF2 — the very first known galaxy to contain little to no dark matter — are back…

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Have Farmers in China Got It Right?

A new strategy being rolled out in China suggests that farmers can do much more than harvest crops. The idea is that well-managed, diverse agricultural lands can provide flood control,…