A controversial idea called qualia suggests the reality you see belongs to you alone.

In Frank Baum’s original novel The Wonderful Wizard of Oz, the Emerald City is said to be such a brilliant shade of green that visitors must wear green-tinted glasses to protect their eyes from “the ...

This story is part of a series on the current progression in Regenerative Medicine. This piece is part of a series dedicated to the eye and improvements in restoring vision. In 1999, I defined ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." The 2027 Color of the Year announcements are well underway, and a few common threads are emerging. Across ...

The Tsimane’ people of the Amazon (pronounced chee-MAH-nay, roughly) hunt, farm, and forage. They don’t have a lot of technology. And if you talk to them about the colors they see in the world, they ...

The color wheel was first developed by English mathematician and physicist Sir Isaac Newton, who discovered that white light (what we perceive as colorless daylight) is composed of a spectrum of ...