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TIL When aluminum was first discovered, in the early 1800s, it was worth more than gold. Originally, it was hard to separate from other materials. The Washington Monument was capped with it. When a reliable method was finally found to purify it, prices plummeted from $16 ($419 today) a pound to $2.

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vpVR TIL if you ask a Korean “How old are you?” they’ll count from when they were conceived, not born
Lx4v TIL in Japan they have lactation bars offering human breast milk. 2,000 (18$ USD) yen gets you a shot and 5,000 (46$ USD) yen gets you the nipple.
N7BQ8 TIL that there is a slow motion camera that can record 10 trillion frames per second. This is fast enough to actually see light travel from point to point.
xV0pk TIL; On death row in Malawi, Byson Kaula would not die. Three times by hanging (the hangman was too lazy); And once by suicide after the fact.
e0Gjg TIL that after the Danish Navy was destroyed by the British in the Napoleonic wars, the Danes responded by planting 90,000 oak trees toward the Navy’s rebirth. In 2007 the Defense Ministry was informed the trees were ready.