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561

TIL Depressed people lack HGH, a requirement for growing while sleeping

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R7YOQ TIL that even though they existed for about 165 million years, only about 700 species of dinosaur have been discovered to date.
Ynrx TIL 40% of Australian Women have DD sized boobs, or larger.
nePkW TIL of Mandeville's 1714 story of a thriving bee community that decides to live by virtue instead of self-interest - and collapses. Adam Smith incorporated this idea of 'private vice, public good' into his work, and today its a foundational principle of Capitalism and Western Civilisation.
x6BWk TIL that the Colosseum in Rome was built with by Emperor Vespasian with the spoils of the looted second Temple
a841J TIL In 1985 a private radiotherapy clinic in Brazil was abandoned, leaving behind a radiation source with 100 grams of Cesium-137. Thieves stole the container in 1987. Over 200 people were contaminated and 4 people died after it was broken into (and the glowing blue dust was spread around)