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Life

Life may have emerged not once, but many times on Earth

Far from being a miracle that happened just once in 4 billion years, life's beginnings could have been so commonplace that it began many times over

Features

Without oxygen from ancient moss you wouldn't be alive today

Earth

Without oxygen from ancient moss you wouldn't be alive today

News

Human-animal chimeras may be key to us living healthier lives

Life

Human-animal chimeras may be key to us living healthier lives

Analysis

A Greenland shark

Earth

World’s oldest vertebrate is a shark that may live for 500 years

News

Cherry or rhubarb? Orangutan mixes tasty cocktails in its mind

Life

Cherry or rhubarb? Orangutan mixes tasty cocktails in its mind

News

Selfish dogs would rather play with a toy than help a human

Life

Selfish dogs would rather play with a toy than help a human

News

A clump of yeast cells

Life

Simple lab life makes an evolutionary leap in a few generations

News

Chimneys of iron hydroxide (left) and iron sulphide (right) precipitate out of solution when alkaline fluids feed into these mimics of early Earth oceans

Earth

Genesis in a jar: How chemical gardens may lead us to alien life

Features

Transgender Olympians in Rio don't have an unfair advantage

Life

Transgender Olympians in Rio don't have an unfair advantage

Comment

Rwanda

Humans

Does science undermine human rights?

The way we define humanity can affect how we feel about human rights – especially when we see ourselves as biological machines, finds sociologist John H. Evans

Features

Life

Videos reveal the Russian doll parasitic world of the deep seas

News

Life

Deep-sea ecosystems still under threat despite UN protection

News

Health

Legal ketone sports supplement pushes athletes further, faster

News

Life

Deepest-ever reef survey by divers discovers new fish species

News