Albert Einstein was famous for many things, but his greatest brainchild is the theory of relativity. It forever changed our understanding of space and time.
Life's Little Mysteries answers fascinating questions about the world around you and the stuff in it, from things in the news and on your mind to crazy questions you didn't even know you had.
Some people can sit outside all summer long and not suffer from mosquito bites. Others turn into an itchy mess despite bathing in DEET and never leaving the purple glow of the bug zapper. What gives?
It can be a freeing feeling to shuck off your shoes and walk outside barefoot...until you get a splinter.
Could a seemingly innocent sound like someone chewing potato chips shoot up your heart rate and send your brain into a frenzy as if you were caught in a life-and-death situation?
How did the Maya, Aztec and other Mesoamerican cultures play the ballgame? And did they really sacrifice the game's players?
Since days of yore, the royal line of succession to the British throne — like most monarchies — was based on primogeniture.
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