The Rain Man (Laurence Kim Peek) was the only savant known to science who could read two pages of a book simultaneously - one with each eye.
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Shirley Henderson, the girl who played Moaning Myrtle (the ghost in the bathroom) was actually 37 years old when she played the character in the Harry Potter series.
8
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
There are 5 to 10 times more stars in the known Universe than there are grains of sand on all the world's beaches, but a single grain of sand has more atoms than there are stars in the known Universe.
20