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TIL, the London clay that the underground railway - "the tube" - locks the heat generated by the railway and has gradually been getting hotter. in the 1900s it was 14°C, today it is nearly 25°C. Most of the heat comes from the trains braking.

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jWME TIL that the Burmese Python infestation in the Florida Everglades likely comes from the destruction of a 900 snake breeding facility during Hurricane Andrew in 1992
woVv7 TIL in 2001, the Japanese emperor admitted the ancient Korean blood (Baekje royal family) in the "unbroken" imperial line of Japan, and Korean influence in the formative years (7~9th century) of Japan. In Korea it became front-page news, while in Japan most media stayed silent
wL07P TIL that there are sea slugs that look like fuzzy little bunny rabbits.
vjvB TIL That Archimedes developed an anti-ship weapon called the Claw of Archimedes. It lifted a ship by the prow then dropped it, often causing the vessel to capsize or at least severely damaging it.
e0rvL TIL that Giraffes in Africa have different patterns based on the region they originate from