Vietnam deer rediscovered after nearly 30 years

A very rare species of small, deer-like animal thought to be on the verge of extinction has been spotted in the northwestern jungle of Vietnam for the first time in nearly 30 years.

Ancient DNA reveals new branches of the Denisovan family tree

It's widely accepted that anatomically modern humans interbred with their close relatives, the Neanderthals and Denisovans, as they dispersed out of Africa. But a study examining DNA fragments passed down from these ancient ...

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