First look at pupil size in sleeping mice yields surprises

When people are awake, their pupils regularly change in size. Those changes are meaningful, reflecting shifting attention or vigilance, for example. Now, researchers reporting in Current Biology on January 18 have found in ...

Pupil shape linked to animals' ecological niche

While the eyes may be a window into one's soul, new research led by scientists at the University of California, Berkeley, suggests that the pupils could also reveal whether one is a hunter or hunted.

Rules of attraction: Catching a peahen's eye

Getting the undivided attention of a female is tough at the best of times but it's even harder when surrounded by other male suitors. It's no wonder males often resort to ostentatious displays to distinguish themselves from ...

LG Electronics HMD patent sets sights on video viewing

(Phys.org) —Such a concept: outputting currently-displayed content of a user's digital device to an HMD. But there is an added nuance where the video follows you no matter where you look. LG Electronics filed a patent for ...

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, the brain controls ...

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