More from Ewen Callaway
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Humans
Why humans can talk and chimps can’t
News
Humans
Seafood gave us the edge on the Neanderthals
News
Health
Why insults are better taken lying down
News
Humans
‘Cuddle chemical’ may create green-eyed monster
News
Health
Ancient bones show earliest ‘human’ infection
News
Life
Crows use multitools, but do they plan ahead?
News
Environment
Orang-utans fashion only known animal instrument
News
Health
Gorilla HIV makes leap to humans
News
Earth
Tide may be turning for overexploited fish stocks
News
Humans
Scary music is spookier with eyes shut
News
Earth
Evolution machine speeds up search for better bugs
News
Humans
The blind spot and the vanishing head illusion
News