Long menopause allows killer whales to care for adult sons

Scientists have found the answer to why female killer whales have the longest menopause of any non-human species - to care for their adult sons. Led by the Universities of Exeter and York and published in the journal Science ...

Blood ties fuel cooperation among species, not survival instinct

Cooperative breeding, when adults in a group team up to care for offspring, is not a survival strategy for animals living in extreme environments. It is instead a natural result of monogamous relationships reinforcing stronger ...

Light pollution transforming insect communities

(Phys.org) -- Street lighting is transforming communities of insects and other invertebrates, according to research by the University of Exeter. Published today in the journal Biology Letters, the study shows for the first ...

US keeps bluefin tuna off endangered list

The United States on Friday rejected calls to protect Atlantic bluefin tuna as an endangered species, saying that while it was worried about overfishing it did not fear imminent extinction.

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