More from Andy Coghlan
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Luddites awake to haunt science festival
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Technology
Dipstick spots disease in minutes
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Live genes need warning labels
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Save our soil for future generations
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Technology
How to turn paper into fuel
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Jumping genes reveal the secrets of flower power
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Self-building molecule wins place in the record books
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British inventors go unarmed into US patent battles
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Technology
Gene saves tobacco from salty death
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Technology
Immature eggs seed a revolution
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Technology
Two-in-one vaccine saves Kenyan cattle
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Technology
Grease-guzzling bacteria keeps sewers clean
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