More from Sylvia Pag谩n Westphal
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Virgin birth method could found stem cell dynasties
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Season’s sniffles
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Stem cell work forges ahead as the politicians squabble
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Cloned stem cells may give you a new lease of life
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Cloned stem cells may give new lease of life
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Drug beats sleep?
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Alertness pill seeks wider uses
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Crying out for answers
Opinion
Race for the $1000 genome is on
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Health
Your very own sequence
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Bring on the T cells
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‘Bad blood’ kills hundreds
News