Life
The curious lives of the people who feel no fear
Features
This week's magazine
Table of contents
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Physics
First fluid knots created in the lab
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Health
HIV baby 'cured' with triple blast of drugs
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Health
Consciousness signature warns of awareness during surgery
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Earth
Globetrotting Sahara sand takes rain to California
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US braces for pain as 'sequester' takes its toll
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Space
Naked-eye comet offers glimpse of solar system's edge
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Space
SpaceX glitch may be deemed secret under US arms laws
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Health
UK is 'sick man of Europe' – and getting worse
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Space
Solve four big problems to get people to Mars by 2018
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Earth
Trafficking now the greatest threat to wild apes
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Technology
Cancer risk lower than feared for Fukushima locals
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Earth
Keystone pipeline is greenest option for tar sands
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60 Seconds
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Health
Salty food exacerbates multiple sclerosis in mice
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Earth
Fuel of the future: How fiery ice could power Asia
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Life
Tiny monkey teeth suggest Flores hobbit was a dwarf
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Life
Gang of chimpanzees kills their alpha male
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Super-bright supernova hints at dark lens
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Earth
Reap the whirlwind for cheap renewable power
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Technology
Send a text message to charge your cellphone
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Technology
Google Glass app identifies you by your fashion sense
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Technology
Stomach-twisting fuel storage for gas-powered cars
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