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TIL that pineapples were name during after pinecones due to their spiky appearances

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wLlZ7 TIL Darwin's Beetle (Chiasognathus grantii) have giant mandibles (more than 1/2 their body length) they use to battle males as they climb trees where females are found for a chance to mate. The mandibles can hook rivals under the wings to throw them off the tree, as well as the female after mating.
Y7XZ TIL today 43 years ago today, the first ever computer-to-computer connection is completed
OGN7 TIL that a reliable way of detecting art forgeries is to test for cesium-137 and strontium-90 as these isotopes did not exist in nature prior to the first use of nuclear weapons in 1945.
v1am4 TIL Olympus Mons on Mars, the Solar System's largest volcano at 16 miles high and 374 miles wide, is so heavy that it sits in a depression caused by the volcano's weight pressing down on the crust in the area.
dD9kZ TIL the blanket octopus has the largest size discrepancy between sexes of any animal. Females can grow over six feet, while males average about one inch.