A Moment of Science
Have you ever been staring into space, or gazing up at a clear, blue sky and suddenly noticed clusters of tiny dots and swirls?
Scientists tested eighteen reindeer with light, and found that their eyes responded to both visible light and ultraviolet.
Why can't we landlubbers focus underwater without goggles?
Have you ever noticed that Siamese cats are cross-eyed? In fact, that's the only way a Siamese cat can see straight.
Did you know that the thaumatrope was invented by an English physician named J. A. Paris in 1926?
Those tiny dots are actually blood cells moving in the retina of your eye.
Eagle's have very different vision compared to humans.
If you've ever rubbed your eyes and seen faint sparkles of light, you have demonstrated a surprising fact of sensory physiology.
How do cold blooded fish stay warm in the frigid ocean? Learn more on this Moment of Science.
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