Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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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.
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