Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
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A group of kittens is called a "kindle".
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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Cats and dogs can hear ultrasound.
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Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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