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Humans

"Intersex" athlete Caster Semenya rightly free to run at Rio

It's unfair to question the right of runner Caster Semenya to compete in a sports world full of biological inequities, says Jaime Schultz

Comment

A Gonatus squid eating another squid

Life

Deep-sea squid cannibals battle it out in a fight to the death

News

Dead carp in a van

Earth

Plan to kill alien carp with herpes could suck life out of river

News

life artwork

Life

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

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

It only takes a few generations for snowflake lab yeasts to adopt distinct lifestyles – a great leap forward in early evolution of life

News

Earth

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

Features

Life

Transgender Olympians in Rio don't have an unfair advantage

Comment

Humans

Does science undermine human rights?

Features

Life

Videos reveal the Russian doll parasitic world of the deep seas

News