News tagged with nocturnal owl

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Brain control? Shining light on pupil constriction

(PhysOrg.com) -- You’ve seen it on television: A doctor shines a bright light into an unconscious patient’s eye to check for brain death. If the pupil constricts, the brain is OK, because in mammals, ...

Nov 02, 2011
4.2 / 5 (5) 2 | with audio podcast

List of search results for nocturnal owl