Chimp evolution was shaped by sex with their bonobo relatives
24 May 2018
Some chimpanzee populations gained useful DNA from interbreeding with bonobos, and one may even have become more gentle and “bonobo-like” in its brain structure and behaviour
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Premium
Horses remember if you smiled or frowned when they last saw you
26 April 2018
Horses can remember the expressions on people’s faces and use them to make judgements about whether people are nice or unpleasant
Dog brain scans show if they are looking at a happy or sad face
29 March 2018
Dogs can recognise different human facial expressions, like happy or sad, and now a simple brain scan can reveal which expression a dog is looking at
Heavy metal poisoning may be changing birds’ personalities
22 March 2018
Great tits exposed to toxic metals like cadmium and lead alter their behaviour, becoming less exploratory and more cautious, suggesting their personalities have been reshaped
Birds 'dream sing' by moving their vocal muscles in their sleep
9 February 2018
Zebra finches sing during the day, and at night while they sleep their vocal organs act out the motions of singing, a bit like a sleepwalking person
Why do female monkeys spend so long looking at rugged males?
4 December 2017
Female monkeys spend more time staring at males that have highly masculine facial features, but we don’t know if they fancy them or fear them
