This geological phenomenon is amazing and unexplained. Stones move across a valley floor leaving a path in their wake. They are slow moving and can take up to 2-3 years to move. Death Valley is a great place to see them.
Can you recognize these celebs in their old yearbook photos? Take the quiz and find out!
How many times has your perfect photo been ruined by a photobomb? Or were you, in fact, ruining someone else's photo?
You don't learn everything you need to know in school. What science facts did you miss out on? Find out!
There are some strange animals on this planet. See if you can identify them.
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