Lenticular clouds form at high altitudes. They occur when air flowing over the mountain cools below the dew point. They have a saucer like appearance.
How many times has your perfect photo been ruined by a photobomb? Or were you, in fact, ruining someone else's photo?
Can you recognize these celebs in their old yearbook photos? Take the quiz and find out!
Think you know more than a marine biologist? Name that weird sea creature and prove it!
From Kabbalah to Scientology, celebrities have been devoting themselves to fads in religious practices for years. Can you identify them?
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