Those night-vision devices used by hunters and soldiers may soon get a lot smaller -- small enough, in fact, to be built right in to contact lenses.
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What exactly does the world look like to your purring pet?
Studies on the feline eye show that cat vision differs quite a bit from human vision. Ca...
If your block in New Orleans feels spooky at night, you're not alone.
By: Natalie Wolchover
Published: 01/31/2012 09:46 AM EST on Lifes Little Mysteries
According to a news reel from China, a young boy there possesse...
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