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evolution

A worker bee is attacking a newly emerged queen

Life

Some bee colonies have to kill thousands of ‘selfish’ wannabe queens

About one-fifth of all Melipona beecheii stingless bee larvae develop as queens, but the colony accepts only one – the rest are executed by worker guards

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Why cat-like creatures vanished from North America for 6 million years

Life

Why cat-like creatures vanished from North America for 6 million years

Features

A West African writing system shows how letters evolve to get simpler

Humans

A West African writing system shows how letters evolve to get simpler

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percussion notches on large bovid humerus

Humans

Ancient humans may have started hunting 2 million years ago

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Bottlenose dolphins swim off the coast of South Carolina

Life

What dolphins reveal about the evolution of the clitoris

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Salmon fish farm in fjord. Norway, Bergen.; Shutterstock ID 1091461793; purchase_order: -; job: -; client: -; other: -

Life

Breeding with farmed fish is changing the life cycle of wild salmon

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Did monkeys really sail the oceans on floating rafts of vegetation?

Life

Did monkeys really sail the oceans on floating rafts of vegetation?

Features

Thousands of migrating Snow Geese ( Chen caerulescens ) fly from a misty lake at sunrise in Lancaster County, Pennsylvania, USA.; Shutterstock ID 546140620; purchase_order: -; job: -; client: -; other: -

Life

Migrating birds may be paler colours to help them keep cool

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A man measures a woman's height

Humans

Humans have been relatively short for thousands of years

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An Ardipethecus ramidus skull found in Awash, Ethiopia

Humans

Canine teeth shrank in human ancestors at least 4.5 million years ago

The extra-large, dagger-like canine teeth seen in male great apes have been missing from human ancestors for at least 4.5 million years – possibly because females opted for less aggressive partners

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Humans

What can we can learn from being the last type of human left standing?

Leader

Humans

Survival of the friendliest? Why Homo sapiens outlived other humans

Features

Life

Neanderthals may have grown their baby teeth faster than we do

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Life

New Australopithecus sediba bones suggest extinct hominin was bipedal

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