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TIL Techniques in astronomy of taking images of the sky are being used by dermatologists to monitor melanoma in high-risk patient who have their full body photographed. A patient’s skin is treated like the background sky in an astronomical image, and any moles are treated as stars

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Lk6Ad TIL The giraffe has got the highest blood pressure in the animal kingdom because its heart have to pump hard against gravity in order to reach its head.
M7JRV TIL Columbus never set foot in North America; he only explored the Caribbean and parts of Central and South America.
b9N94 TIL it's not uncommon for tomato plants to sprout up around sweage treatment plants. The seeds can pass through the digestive tract and germinate in overflow areas.
LKJp TIL there is a word: “Mamihlapinatapai”, from the Yaghan language, which is considered the most succint and hardest word to translate: it means: “a look shared by two people, each wishing that the other would initiate something that they both desire but which neither wants to begin.”
WkbPY TIL that, if strictly looking at yearly output of individual units of rubber tyres, Lego is the world's largest manufacturer of tyres (albeit toy wheels), compared to Bridgestone, Michelin, and Goodyear