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Why complex life probably evolved only once

Life

Why complex life probably evolved only once

The mystery of why complex life evolved only once might finally have been solved – suggesting it's unlikely to exist elsewhere

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Coddled male wolf cubs father fewer pups

Life

Coddled male wolf cubs father fewer pups

News

Zoologger: The slow-moving mystery of the sloth's neck

Life

Zoologger: The slow-moving mystery of the sloth's neck

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Cane toad tadpoles relish cannibal caviar

Life

Cane toad tadpoles relish cannibal caviar

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Grey whales took to high seas to survive the ice ages

Earth

Grey whales took to high seas to survive the ice ages

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Zoologger: The heaviest animal in the air

Life

Zoologger: The heaviest animal in the air

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Monkeys bid to join elite self-awareness club

Life

Monkeys bid to join elite self-awareness club

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Large brains bust baggage allowance for migratory bats

Life

Large brains bust baggage allowance for migratory bats

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Sparks fly over origin of altruism

Life

Sparks fly over origin of altruism

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A fifth of all wild plant species face extinction

Earth

A fifth of all wild plant species face extinction

The Sampled Red List Index for Plants reveals that one-fifth of all plant species are on the brink – a higher proportion than for birds

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Health

Addicts to get no kick from cocaine

News

Life

Brain scans may help fix criminal responsibility

News

Earth

Cosmic accidents: Killer asteroid with a silver lining

Features

Life

Cosmic accidents: One giant leap for a single cell

Features