3D TV and movies seem to be all the rage but are they harmful to eyes?
Why does the corner of the room, where two walls and the ceiling meet seem to show two different wall colors?
When it comes to common eye myths, what is true and what is false?
Look in the mirror... do you see your eyes move? Learn about saccade.
Owls use their giant, staring eyes and that amazingly swivel-prone neck as part of an overall system for catching prey.
One of the most impressive feats of muscular coordination in nature is the very common instance of a frog darting out its tongue in order to catch a fly.
The early bird catches the worm. But, how do Robins find worms?
You may have heard that reading a lot causes near-sightedness, but is there any truth to this rumor? Learn more on this Moment of Science.
Have you ever seen one bird chasing another through the air at breakneck speed, and wondered how it keeps from colliding with branches?