Earth
Midnight sun: How to get 24-hour solar power
Features
This week's magazine
Table of contents
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Space
Earth may be crashing through dark matter walls
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Earth
Global mercury treaty will take decades to work
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Earth
Barack Obama promises US action on climate
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Life
Did Mars hide life in its watery pockets?
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Twitter reveals how Higgs gossip reached fever pitch
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Life
Canada's new banknotes show wrong maple leaf
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Earth
Environmental crises may threaten pensions
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NASA planet-hunter is injured and resting
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60 Seconds
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Life
Obama to scientists: Tell us how to calm gun violence
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Life
Your molar roots are leftovers from Homo erectus
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Earth
Greek economic crisis has cleared the air
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Life
Quadruple helix DNA discovered in human cells
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Space
Dwarf planet Eris may reveal quantum gravity
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Earth
Get cirrus in the fight against climate change
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Life
Lingering kiss: DNA persists in the mouth after smooch
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Life
To spot a fit partridge, check its fractal necklace
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Space
Weird high-energy flare made by spitting black hole
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Life
First farmers' trash put wolves in the doghouse
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Technology
Ford's open-source kit brings era of smart car apps
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Technology
Touch-sensitive video-screen floor is in step with you
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Technology
Bandwidth-sharing app brings connectivity to all
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Technology
Body armour to scale up by mimicking flexible fish
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Space
Space-miners to crush asteroids and 3D print satellites
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