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TIL that Graphene is the thinnest two-dimensional material in existence and is 200 times stronger than steel. It is also the most conductive material on Earth, excelling in both electrical and thermal conductivity.

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via reddit.com

woe48 TIL An aphid gives birth to babies that already have their own babies formed inside them. They are clones of themselves – they don’t need to breed with a male. Over a whole summer a single aphid could give rise to 250 tons of aphids.
OomjY TIL: Iraq used to be the center of the world for knowledge in the Middle Ages. Scholars from all backgrounds came together to translate Greek works into languages such as Latin, Arabic, and Persian. Algebra, Geometry, Astronomy, and Medicine were some of the fields that were refined.
v1JQ7 TIL John Christie, serial killer and necrophile, murdered at least eight people, including his wife, by strangling them in his flat. As Christie was restrained before his execution, he complained to the hangman that his nose itched. The hangman replied, "It won't bother you for long."
GAA6E TIL "Biosphere 2" was a closed ecological system which produced food sufficiency for the seven human inhabitants
rR6WM TIL that November 9th is often called the 'Day of Fate' in German history - Robert Blum's death in 1848, Kaiser Wilhelm's abdication in 1918, Einstein's Nobel Prize win in 1922, the Munich Putsch in 1923, Kristallnacht in 1938 and the fall of the Berlin Wall in 1989 all occurred on the same date.