More from Ewen Callaway
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Technology
Company tries to get gun classed as medical device
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Health
Happiness spreads like the plague
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Life
Spanish Inquisition left genetic legacy in Iberia
News
Humans
Deep-voiced men not guaranteed to impress
News
Humans
Did Neanderthal cells cook as the climate warmed?
News
Health
Anti-fat pill could help keep the weight off
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Environment
Electric fish prefers sexual charge of its own species
News
Health
Celebrity ‘blindness’ down to brain wiring
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Health
New species of Ebola found in Uganda
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Environment
Dictators lay down the law in baboon troupes
News
Humans
Were Neanderthals stoned to death by modern humans?
News
Humans
Brain flip helps to relieve pre-menstrual stress
News