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TIL the “wall follower” is the best-known rule for solving mazes. If the maze is “simply connected”, that is all its walls are connected together or to the maze’s outer boundary, then by keeping one hand in contact with one wall of the maze the solver is guaranteed not to get lost.

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M7MWK TIL of the Vai syllabary, a script used for writing the Vai language of Liberia. It is hypothesized to be based off the Cherokee script, used by the Indigenous Cherokee people in modern day South Eastern United States, and diffused from Cherokee migrants on the Liberian coast.
vrNB TIL that in Hong Kong, architects often design buildings with holes in them to allow dragons to pass through unobstructed on their journey to the ocean.
epkL5 TIL: That following the solar eclipse of August 11 1999, the BMJ reported only 14 cases of eye damage from improper viewing of the eclipse, a number lower than initially feared. In one of the most serious cases the patient had looked at the Sun without eye protection for 20 minutes.
XBD6 TIL Arctic Explorer Peter Freuchen starred in an Oscar winning film, escaped a Nazi Death Camp, won $64,000 on a game show and escaped blizzard shelter with a chisel made from frozen excrement
e0d5J TIL that in North Korea men may pick between 1 of 15 approved hair styles, none of which resemble Kim Jung Un's iconic haircut.