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For those who’ve never experienced this phenomenon, eye floaters are little oddly shaped objects that appear in your vision, often when one... -
What the things you see when you close your eyes and rub them hard are called, namely “phosphenes”. A phosphene is characterized by p... -
Morning frost This false-color photo was taken by the Mars Phoenix Lander on Aug. 14, 2008. Soon after the photo was taken, the fros...
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