More from Alison Motluk
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2007: The year in biology and medicine
News
Life
Brain’s ‘gatekeeper’ filters out distractions
News
Technology
Nuclear plant shutdown brings hospital delays
News
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Diary of a human ‘lab rat’
Features
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Menstrual blood could be rich source of stem cells
News
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Genes may predict disease progression in AIDS
News
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Banked blood turns fatally stale
News
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Starving is like ecstasy use for anorexia sufferers
News
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Chemical clue sheds light on winter depression
News
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Who’s the daddy? US sperm banks must be better regulated
News
Life
Computer model may explain toddlers’ chattering
News
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New multiple sclerosis genes identified
News