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271

TIL about the Fire Lily, a South-African flower that only blooms after wildfire.

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6Ayl TIL that there is a species of ant that is totally incapable of caring for their young, or feeding themselves, and thus relies on slave labor from other ants
woYDo TIL in early 1942 the Battle of Los Angeles was fought, with an hour-long barrage of anti-aircraft artillery fired from the city against a perceived Japanese invasion. The cause: a stray weather balloon.
gBLy TIL that the records for the longest elevator fall to be survived (75 stories) and the highest fire to be brought under control (80 stories) were both set when a B-25 flew into the Empire State Building.
OGPVL TIL a Jiffy is a real unit of time (a jiffy is about 3 × 10 to the power of minus 24 seconds)
WkBgX TIL that high HRV measures good health while low HRV measures poor health regarding stress, burnout, and fatigue - it can be useful in measuring stress outside of fitness too