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