51¶¯Âþ

human evolution

Volunteers working in soup kitchen

Life

No more goody two shoes: Why true altruism can’t exist

If only the fittest survive, why do good deeds for no return? The enduring mystery of altruism goes to the heart of how evolution does – and doesn't – work

Features

Graduates holding diploma

Humans

D’oh! Why human beings aren’t as intelligent as we think

Features

Bonobo/Pygmy chimpanzee

Humans

Think you understand how evolution works? You're probably wrong

Features

Neanderthal

Life

We're beginning to question the idea of species – including our own

Features

pondweed with oxygen bubbles

Environment

Why is Earth so rich in oxygen? The answer is simpler than we thought

51¶¯Âþ

Angela Saini and Lilian Anekwe

Video

Race science: How dangerous and discredited ideas persist in biology

Video

Origolestes lii skeleton

Life

Cretaceous fossils are missing link in mammal ear evolution

51¶¯Âþ

A single gene controls how our faces develop when we are young

Humans

A single gene controls how our faces develop when we are young

51¶¯Âþ

Martin Rees

Video

Martin Rees: Humanity's future – predictions for the next century

Video

Lee Berger at 51¶¯Âþ Live

Video

Our incredible origins: The astonishing tale of Homo naledi

Lee Berger helped unearth stunning fossils of ancient human relatives in Africa. He explains why we need to rewrite our family tree

Video

Life

Fossil of a newly-discovered mammal shows it had bizarre ears

51¶¯Âþ

Environment

Stone Age artists were obsessed with horses and we don’t know why

51¶¯Âþ

Life

Huge mysterious ape Gigantopithecus was a distant cousin of orangutans

51¶¯Âþ

Humans

Did apes first walk upright on two legs in Europe, not Africa?

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