More from Andy Coghlan
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Ripped genes
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No more highs
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Technology the key to banishing poverty
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Coming home
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Lives before profit
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Clones contain hidden DNA damage
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Drugs companies slash cost of treating resistant TB
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Hair today, skin tomorrow
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Seek and destroy
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Fortified food staves off spina bifida
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Call off the guards
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Blood cells turn cancer killers
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