The ancestor of all domestic cats is the African Wild Cat which still exists today.
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The elephant brain weighs about 6,000g.
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In 1918, a homing pigeon saved over 190 American soldiers by delivering a message to nearby support despite having been shot through the breast, blinded in one eye, covered in blood, and with a leg hanging on by just a tendon.
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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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