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TIL that in 1906 Harry Miles made a film documenting San Francisco city life. The Earthquake struck four days later and destroyed many of the buildings in the film.

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95rX TIL that electric vehicles are so quiet that they have systems to generate artificial engine sounds for safety
KOZRB TIL a sperm whale’s “click” is the loudest sound produced by any animal and it has an identifying dialect. They aren’t born with different vocal chords but acquire their dialects from one another in the same way you or I might taken on our parents’ accent
JYev TIL research has found that without artificial light like lamps and computer screens , humans fall asleep soon after it’s dark, wake up for an hour around midnight (which is usually used for having sex), and return to sleep until morning
mAwo TIL That the US considered dyeing Mt. Fuji black in WWII as pyschological warfare against the Japanese
5lD9 TIL the collective name for ladybirds is a loveliness of ladybirds