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Artist's impression of ancient arthropod and young

Fossil shows a parent caring for its young 520 million years ago

5 March 2018

Rare remains show a primitive shrimp-like creature apparently caring for four juveniles – the oldest example of parental care in the fossil record
Surprise! Having a big brain really does mean having less muscle

Surprise! Having a big brain really does mean having less muscle

28 February 2018

It’s an evolutionary mystery how humans and other primates found the energy to support their large brains, but now it seems sacrificing some muscle might have helped

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