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See what's happening in the spine during physical movement.
BIOLOGY
A research team has taken the famously industrious ant down a peg, showing that many ants don’t do their fair share of work—or any work at all.
Chimerism is sibling rivalry at its most primal.
The smearwort (Aristolochia rotunda) dupes fruit flies into entering its flowers and then traps them there, getting pollinated without offering any reward.
A new study suggests infants can recognize facial expressions, up to a certain distance.
