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TIL pitcher plants can "taste" their prey and adjust their digestive juices. Sarracenia purpurea senses what it catches—like proteins or DNA—and tweaks the mix of enzymes it releases to digest it. This helps the plant save energy by only making what it needs.

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Wkmyo TIL A scam artist tricked multiple US government agencies into spending over $20M on fake intelligence software. In 2003 the CIA grounded a US-bound flight after the software detected a credible threat had been made, and the con was discovered when the airline conducted an independent investigation.
7r4lx TIL In spite of the US Constitution's "no religious test" clause, eight states have language in their constitutions either requiring state officeholders to have particular religious beliefs or specifically protecting those who do. The language condoning religious tests is allegedly unenforceable.
b68mj TIL of Vivienne Hole, the only member of the Entertainments National Service Association (ENSA) killed during WWII. ENSA provided entertainment to British armed forces personnel. Hole was killed when her driver accidentally drove into a minefield.
M7rya TIL Roger Federer made the 2021-23 Forbes list of highest paid athletes almost solely through sponsorship deals. In that timeframe, he earned only 830k dollars in tennis prize money, but 275 million dollars through sponsorship endorsements.
AO9n TIL The German city of Konstanz was not bombed by the Allied Forces during World War II, because the city left all its lights on at night, and thus fooled the bombers into thinking it was actually part of Switzerland.