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Blue light is the key to winter blues

Lots of folks get depressed when dealing with cold, grey winter days, but one lighting expert has found a way to fight back: Your winter blues could be caused by blue light.

Thursday - 01/30/2014, 07:52am EST

Tags: melatonin, sleep

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U.S. Naval Observatory explains green light seen in the sky

A green light in the sky Wednesday night left many in the D.C. region saying, "did you see that?"

Thursday - 09/05/2013, 01:00pm EDT

Tags: green light, meteor, Twitter, fireball

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