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Elephants can ‘smell danger’

Elephants can tell whether a human is a friend or foe by their scent and colour of clothing, according to St Andrews' researchers.

The smell of love

CAPTION: Males who preferred female pheremones also preferred feminised faces (image on the right is 25% feminised; image on the left is 25% masculinised). CREDIT: Perception Lab (www.perceptionlab.com)