Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
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The head of a jellyfish is called the "Bell."
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Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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