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Editor's picks

Space

Missing matter: Where did half the universe go?

Humans

Genes fit for a queen: How Kate won her mate

Life

Digital legacy: The fate of your online soul

Physics

Notorious big G: The struggle to pin down gravity

Table of contents

News

Health

Sewage reveals drug habits in Paris and Adelaide

While Paris parties with cocaine at the weekend, Australians prefer to take MDMA

Health

Concern over weight-loss drug side effects

Earth

Melting sea ice leaves Arctic vulnerable to erosion

Earth

Growing sugarcane could help cool Brazil

60 Seconds

Dark matter no-show at sensitive underground lab

Health

Countries to share viruses in exchange for cheap drugs

Health

Medicines lose their potency in space

Earth

Starburst megaquake: Japan quake overturns geology

Health

New clues to preventing miscarriage or pre-term births

Physics

Colliding atom clouds bounce like billiard balls

Life

Bear DNA is clue to age of Chauvet cave art

Environment

On mountain lion patrol in the California wilds

Physics

Lonely, spun-out proton reveals magnetic secret

Physics

‘Tendex’ lines help visualise black holes

Health

Chimps lose out by aping others

Twisty light tells left-handed molecules from right

Life

First evidence that some dinosaurs were nocturnal

Health

Broccoli helps clear damaged lungs

Environment

True sea snakes stick to one male only

Life

We can pick out a tune at higher pitches than thought

Humans

Godlike princess curbs childhood cheating

Physics

Reinventing the wheel: designing an ‘impossible’ bike

Health

Cellphones get help to India’s secret sex workers

Technology

Covert hard drive fragmentation embeds a spy’s secrets

Technology

Rearranging the furniture? Let software do it for you

Technology

One Per Cent

Technology

Ultrafast fibre optics set new speed record

Technology

Hackers trick goods out of online shopping sites

Opinion

Time to rethink megaquakes

Events in Japan reveal that we may have underestimated the risks of powerful earthquakes

Why the web also needs to forget

The rituals of royal nuptials

The Middle East is ripe for a scientific revolution

Humans

Baby brain expert: ‘Ums’ and ‘ers’ help children learn

The secret of science’s success

Features

Space

Missing matter: Where did half the universe go?

Forget dark matter 鈥� a vast amount of normal matter visible in ancient gas clouds has gone AWOL. Now astronomers are finding clues to where it's hiding

Humans

Genes fit for a queen: How Kate won her mate

Life

Digital legacy: The fate of your online soul

Physics

Notorious big G: The struggle to pin down gravity

Culture

Dream psychiatrist: Freud was out to lunch

In his new memoir, Dream Life, J. Allan Hobson suggests that dreaming might be a preparation for our waking life, and nothing to do with repressed wishes

The wonder of water

Our dysfunctional romance with plastic

Google’s inner workings

Poetry of material violence

An evolutionary explanation of human behaviour

More

Enigma Number 1643

Regulars

Feedback: When roads burst into song

Terrible driving music, the National Union of Stew Departments, pyramid telling, and more

This Week鈥檚 Letters

This week’s question

Written in stone

Tiger, tiger

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