Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. The atmosphere filters out much of the ultraviolet and ...

Nevertheless, this research offers important insights into human vision. It could eventually lead to advancements in treatments for color blindness. For now, "olo" remains invisible to the public, ...

The average human eye can see as many as 10 million variations in color, according to some estimates, from purest gray to laser green. Now scientists say they’ve broken out of that familiar range and ...

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