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Articles on Human evolutionary biology

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Research shows that sleep deprivation impairs communication between brain regions and brain blood flow, damages brain wiring and makes a young brain look like an aged brain. (Shutterstock)

Sleep deprivation benefited our ancestors, yet harms us now — but staying fit may help us cope

Ancient humans chose to sleep less, which had evolutionary benefits. For modern humans, sleeping less is futile and detrimental, but fitness may be a powerful ally in today’s epidemic of sleep loss.
Human evolution is typically depicted with a progressive whitening of the skin, despite a lack of evidence to support it. Viktor Mikhailovich Vasnetsov/Wikimedia Commons

Racist and sexist depictions of human evolution still permeate science, education and popular culture today

From Aristotle to Darwin, inaccurate and biased narratives in science not only reproduce these biases in future generations but also perpetuate the discrimination they are used to justify.
Tibetan monks at a monastry in Gansu province in China. New research shows sending a child to a monastery can have surprising evolutionary advantages for a family. Matyas Rehak/Shutterstock

Celibacy: family history of Tibetan monks reveals evolutionary advantages in monasticism – podcast

Listen to the first episode of Discovery, a new series available via The Conversation Weekly podcast, telling the stories of fascinating new research discoveries from around the world.
Han Yuanyuan

How midnight digs at a holy Tibetan cave opened a window to prehistoric humans living on the roof of the world

Early humans called Denisovans lived in a remote mountain cave between 100,000 and 60,000 years ago, and possibly longer still, raising intriguing questions about their relationship to modern humans.

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