› added 8 years ago

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TIL that in the middle of the drought-stricken Tunisian desert, an 18m deep lake suddenly appeared.

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x68V0 TIL Karl Marx sent a letter to Abraham Lincoln congratulating him on his fight against slavery and 1864 re-election.
W7GZY TIL in Qigong theory, sexual excitement is believed to redirect energy from many pathways to the sexual organs, with ejaculation expelling it completely, leading to masturbation being seen as "energy suicide". A related Chinese proverb states, "a drop of semen equals ten drops of blood".
X0o8R TIL Why paper cuts are so painful is b/c at a microscopic level, paper is actually quite rough. A knife makes a straight cut, but paper acts like a saw blade and does more damage to cells and nerve endings. Paper also leaves behind tiny fibres and chemical residues, irritating the wound even more.
R78N7 TIL about the Sacred Band of Thebes. A elit military unit in ancient Greece which consisted of 150 pairs of gay lovers. They were feared and honored as the best warriors in all of Greece and even won against the then Greece superpower Sparta.
xVB07 TIL Happy Days was originally a sitcom centering around a Midwestern family that just purchased their first TV set (the first one in the neighborhood!) and how the teenage son planned to use the TV as a chick magnet