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evolution

Illustration of a Trilobite Gut Fossil.

Life

Ancient trilobite stuffed itself with food almost to bursting point

A trilobite with gut contents still preserved is the first of its kind ever to be found, and shows the woodlouse-like animal had a voracious appetite

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Earth

Nearly all mammals will go extinct in 250 million years as Earth warms

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chiton (Iscnhoplax pectinata)

Life

Armour-plated mollusc fluoresces brilliant red-pink

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A chimaera fish

Life

Fish adapted to the deep sea 80 million years earlier than we thought

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The limestone spheroids of 'Ubeidiya

Humans

Mysterious ancient stones were deliberately made into spheres

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Life

Our ultra-mobile arm joints may have evolved for climbing down trees

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Life

Spotted salamander eggs hatch more easily if nibbled by predators

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Humans

Our ancestors may have come close to extinction 900,000 years ago

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A mitochondrion

Life

Ocean bacteria may be closest relatives of mitochondria in our cells

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Llamas can learn by watching others

Life

Llamas solve problems faster after watching people do it

Llamas are able to learn from other llamas and even more effectively from humans, possibly because thousands of years of domestication gave them the ability to read human social cues

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Life

Life’s hidden laws: The arcane rules of evolution and how they work

Features

Humans

Ape family tree suggests human ancestors weren’t particularly violent

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Humans

Utopia: The ancient discoveries that point to the ideal human society

Features

Life

How a radical redefinition of life could help us find aliens

Features

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