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Time Machine

Physics

Fast forward: How we learned to love time travel

A classic H. G. Wells story and key mathematics made time travel such a popular idea that it fundamentally changed our thinking, argues James Gleick in Time Travel: A history

Culture

Poo

Health

Primate labs give us an edge, says China's brain project chief

Features

Animal sound symphony tells us new things about our world

Life

Animal sound symphony tells us new things about our world

Culture

Woman holding her pregnant belly

Health

Artificial ovary may boost fertility and postpone the menopause

News

Artwork of bacterium's cell wall, with the exterior at the top

Health

Bacteria lurking in blood could be culprit in countless diseases

News

Demonstration with banner reading

Earth

Court rules in favour of Queensland mega-mine

News

Man with robot, a scene from Lo and Behold

Technology

The internet is so vast we need to get theological to grasp it

News

Endangered dolphin with broken blowhole learns to mouth-breathe

Life

Endangered dolphin with broken blowhole learns to mouth-breathe

News

A girl with a doll that behaves like a baby

Health

Failure of fake babies: Why it doesn't pay to go with your gut

Analysis

Sperm

Health

Semen reshapes immune system to boost chances of pregnancy

As well as fertilising the egg, semen seems to prime a female's immune system, making it more likely that an embryo will survive

News

Space

Tale of world of supersmart spiders takes Clarke SF award

Culture

Humans

Money alone won't turn us into unselfish citizens

Culture

Life

Europe at Midnight: SF, with a very British take

Culture

Humans

We are gods of the future – but what will we do?

Culture