But you can be afflicted with another type of blindness that has nothing to do with the shades you see. The change blindness ...

In a new optical illusion, dots appear purple in central vision but blue in peripheral vision. Here's how it works.

Are you colorblind?Most of us like to think we’ve got vision as sharp as an eagle’s. But honestly, how sure are we? This test ...

I got all sorts of crazy stuff mailed to me and I’m going to taste all of it. Will I get any of the flavors right? mostly ...

Figuring out what you are eating when you can't see it is tougher than you might think. Nothing exemplifies that more than ...

When faced with a life-altering medical diagnosis, I had to choose how I would tell the story about it. Would I present ...

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