Environment
First case of lethal female aggression seen in orangutans
Orangutans are normally solitary, only coming together to mate. But violence could increase as they are forced closer together by habitat destruction
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Orangutans are normally solitary, only coming together to mate. But violence could increase as they are forced closer together by habitat destruction
Fitness fans will soon have a gadget that tells them when to take a drink and when their muscles have had enough – but it could also have medical uses