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TIL that certain frequencies of infrasound ~20 Hz can cause disruptions in human perception because they resonate the eyeball and cause hyperventilation. People have reported being haunted by “gray masses” that were later explained by the presence of low-frequency machinery.

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rNaaw TIL: The B-52 Bomber,known for its iconic design and long service history,holds an impressive array of world records,showcasing its remarkable capabilities.One notable achievement occurred on September 26,1958,when a B-52D model set a world speed record by reaching an astonishing speed of 560.
kJL94 TIL Henry V, while still prince, was hit by an arrow near his left nostril during the Battle of Shrewsbury. The arrow shaft broke leaving the arrow point buried six inches deep in his head. Court surgeon John Bradmore devised a special tool to extract the arrow point and saved the prince's life.
nPdW TIL that the false-consensus effect or false-consensus bias is an attributional type of cognitive bias whereby people tend to overestimate the extent to which their opinions, beliefs, preferences, values, and habits are normal and typical of those of others
X0BMX TIL that, after the retirement of Pelé in 1977, much of the progress that American soccer had made during his stay was lost. There was no star player at the same level to replace him, so attendances dropped after 1980. The entire North American Soccer League folded at the end of 1984
x6Vrk TIL of the "royal touch", a medieval practice wherein monarchs touched one of their subjects suffering from an illness, thereby supposedly curing them of said illness