More from Ewen Callaway
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Life
Spit bacteria could be as distinct as fingerprints
News
Health
Did aversion to bitter tastes evolve into moral disgust?
News
Environment
King of the swingers has no use for mirrors
News
Health
Fear of heights linked to vertical perception
News
Health
Study links fast food joints with stroke risk
News
Mind
‘iTunes university’ better than the real thing
News
Life
Ancient virus gave wasps power over caterpillar DNA
News
Humans
First draft of Neanderthal genome is unveiled
News
Life
Who’s the daddy? Ape faces reveal family ties
News
Life
Lego ‘walker’ disarms assumptions about human gait
News
Life
Did invading farmers drive pygmy diversity?
News
Earth
Parasitic butterflies dupe hosts with ant music
News