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Articles sur Evolutionary biology

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The huge number of active coronavirus infections offers plenty of opportunity for mutations to occur and new variants to arise. Eoneren/E+ via Getty Images

Massive numbers of new COVID–19 infections, not vaccines, are the main driver of new coronavirus variants

When the coronavirus copies itself, there is a chance its RNA will mutate. But new variants must jump from one host to another, and the more infections there are, the better chance this will happen.
Our ancestors’ environment and diets, and the limits of our biology, have led to adaptations that have improved human survival through natural selection. But we remain prone to illness and disease anyway. (Shutterstock)

Evolutionary medicine looks to our early human ancestors for insight into conditions like diabetes

Evolutionary medicine uses our ancestral history to explain disease prevalence and inform care for conditions like Type 2 diabetes. It also challenges the bio-ethnocentrism of western medicine.
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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