When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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Cows can sleep standing up, but they can only dream lying down.
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The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21