Xochimilco's sunken treasure
Features
This week's magazine
On the cover
Table of contents
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Technology
Biodefence clean-up
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Technology
Polyglot keyboard
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Technology
Power of the midday sun
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Ice melt may dry out US west coast
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Hippos discover their long-lost relatives are all at sea
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In the beginning were midwives
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Jungle fashion
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Gene is big risk factor in autism
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Brain's wiring may make you fat or thin
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Astronomers close in on monster black hole
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Fossil arm good for press-ups
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Chocolatey pregnancy keeps baby happy
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Technology
Lost? Send snap and SOS to...
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Technology
The robot's guide to perfect steering
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Brazil's beef trade wrecks rainforest
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Forget the cause of diseases, just find the cures
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Chromosome clock ticks out our fate
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Terror is the best remedy for phobias
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Is this the earliest sign of human culture?
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Health
'Chemical condom' tantalisingly close
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Phone radiation may push cells around
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Diet of worms protects against bowel disease
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Soundbites
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A health fad that's hard to swallow
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Nuclear power-up
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Net music verdict
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Not up in smoke
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60 Seconds
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Lunar to-do list
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Gene privacy for icelanders
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Vive la difference
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Resistance DNA in antibiotics
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