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TIL King Frederick II used reverse psychology on his peasants who refused to eat potatoes because they tasted horrible. To stop the food famine he sent his guards to guard fields of potatoes and the peasants started stealing them and growing their own.

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gKV9 TIL Finland is a future-obsessed nation. It was the first country in the world to offer a master’s degree in futures studies, has a special parliamentary committee for the future, and its government is required by law to produce an official review of the future every four years.
Wgad TIL there are more species of fish found in the Amazon river then are recorded in the entire Atlantic ocean.
78GDp Today I learned: A canary trap is a technique to identify an information leak by giving different versions of a sensitive document to several suspects and observing which version gets leaked.
dl4j TIL that the trapdoor spider can withstand 38 times it’s own weight when defending their trapdoor. This is the same as a human holding a door closed that’s being pulled on the other side by a small jet plane.
DXBY TIL Dolphins will communicate with one another over a telephone, and appear to know who they are talking to