When mice find a fellow member of their species unconscious, they appear to administer first-aid by licking at the face or pulling at the mouth and tongue. More aggressive biting, licking ...

Mice will lick the faces and pull at the tongues of other mice if they're found unconscious, with more vigorous grooming resulting in faster recovery.

LAMBERT: These results led the researchers to think that maybe the mice are actually trying to help their friends. But they also might just be curious. To test that possibility, they repeated the ...