A long-tailed macaque uses a stone to get at food. The striking of one stone on another accidentally creates stone flakes the monkeys don't use. Lydia V. Luncz When monkeys use two rocks to smash open ...
A new Dartmouth-led study analyzing stone tools from southern China provides the earliest evidence of rice harvesting, dating to as early as 10,000 years ago. The researchers identified two methods of ...
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