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AnthropologyHumans may have started tending animals almost 13,000 years ago
Remnants from an ancient fire pit in Syria suggest that hunter-gatherers were burning dung as fuel by the end of the Old Stone Age.
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PhysicsFalling objects in orbit show Einstein was right — again
For more than two years, a pair of metal cylinders fell at the same rate in space, confirming the equivalence principle, a key tenet of general relativity.
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ClimateHow Kenyans help themselves and the planet by saving mangrove trees
Communities in Kenya took action to restore their coastal mangrove forests, reaping economic and environmental benefits.