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evolution

TB's extraordinary evolution reveals why the ancient disease lives on

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TB's extraordinary evolution reveals why the ancient disease lives on

Once thought to have originated in cows and spread through dust, the surprising evolutionary story of tuberculosis reveals why it's so hard to stamp out this ancient disease, writes Carl Zimmer

Features

There’s growing evidence the big five mass extinctions never happened

Life

There’s growing evidence the big five mass extinctions never happened

Features

Life

Fossils show puzzling lack of evolution during last ice age peak

News

Sloths repeatedly evolved large and small body sizes

Life

Giant ground sloths evolved three different times for the same reason

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Life

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

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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.

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

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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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The evolution of easier births means slower walking and pelvis issues

Wider hips may make childbirth easier, but increase the risk of other health issues

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Life

What the surprising lives of solitary animals reveal about us

Features

Life

Cannibal spiders have strange trick to stop their siblings eating them

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Humans

Unusually tiny hominin deepens mystery of our Paranthropus cousin

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Life

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

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