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Life

The first teeth were sensory organs on the skin of ancient fish

Teeth are good for chewing and biting, but they are also sensitive – and that may have been their original function hundreds of millions of years ago

News

Humans

What the complete ape genome is revealing about the earliest humans

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Swallow (Hirundo rustica) in flight chasing a Tsetse fly (Glossina sp.), Kenya, Africa.

Life

Welcome to a great, straightforward guide to the tree of life

Culture

Humans

Humans evolved to survive mild burns at the expense of severe ones

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Life

Oldest ant fossil ever found shows how ants took over the world

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Health

The evolution of easier births means slower walking and pelvis issues

News

USA, Alaska, Katmai National Park, Young female Grizzly Bear (Ursus arctos) rests on river bank beneath coastal mountains along Kinak Bay on autumn morning. Photograph by Paul Souders.

Life

What the surprising lives of solitary animals reveal about us

Features

Cannibal spiders have strange trick to stop their siblings eating them

Life

Cannibal spiders have strange trick to stop their siblings eating them

News

Unusually tiny hominin deepens mystery of our Paranthropus cousin

Humans

Unusually tiny hominin deepens mystery of our Paranthropus cousin

News

Life

The anus may have evolved from a hole originally used to release sperm

The long-standing question of how animals came to have an anus may have been solved by studies of which genes are active during development in various animals

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Life

Ancient wasp may have used its rear end to trap flies

News

Humans

A controversial book about human diversity shows how biology unites us

Culture

Life

Bizarre fossil may have been an entirely new type of life

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Life

Fossils reveal what the fur of early mammals looked like

News