Space
Missing matter: Where did half the universe go?
Features
This week's magazine
Table of contents
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Earth
Melting sea ice leaves Arctic vulnerable to erosion
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Space
Medicines lose their potency in space
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Life
Godlike princess curbs childhood cheating
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Health
Sewage reveals drug habits in Paris and Adelaide
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Health
Concern over weight-loss drug side effects
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Health
Countries to share viruses in exchange for cheap drugs
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Dark matter no-show at sensitive underground lab
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60 Seconds
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Earth
Starburst megaquake: Japan quake overturns geology
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Health
New clues to preventing miscarriage or pre-term births
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Physics
Colliding atom clouds bounce like billiard balls
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Life
Bear DNA is clue to age of Chauvet cave art
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Life
On mountain lion patrol in the California wilds
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Physics
Lonely, spun-out proton reveals magnetic secret
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Health
Chimps lose out by aping others
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Twisty light tells left-handed molecules from right
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Life
True sea snakes stick to one male only
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Life
We can pick out a tune at higher pitches than thought
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Technology
Cellphones get help to India's secret sex workers
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Technology
Covert hard drive fragmentation embeds a spy's secrets
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Technology
Rearranging the furniture? Let software do it for you
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Technology
One Per Cent
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Technology
Ultrafast fibre optics set new speed record
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Technology
Hackers trick goods out of online shopping sites
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