Cats sleep for 70% of their lives.
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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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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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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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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Mosquitoes don't just bite you, they also pee on you.
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