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TIL that male kangaroos flex their biceps to impress females
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smithsonianmag.com
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reddit.com
ne867
TIL that in 1940 Disney's movie "Fantasia" invented the concept of stereo sound, eventually changing the music industry forever. To promote the film, Disney created a surround sound system called "Fantasound" that used multiple speakers spread across a room to immerse audiences in the film's music
e01DE
TIL of crow funerals - crows are among the few social creatures that have certain rituals that honor their dead fellows.
O7a1
TIL that the word “set” has 464 definitions, making it the most ambiguous word in the English language
MNB0
TIL that if parents cleaned a dropped pacifier by sucking on it themselves before giving it back to their baby the child “had nearly 60 percent less eczema and 90 percent less asthma by 18 months compared to parents who used tap or boiling water.”
BXZL
TIL that astronauts must have good airflow around them when they sleep, otherwise they, “…could wake up oxygen-deprived and gasping for air, because a bubble of their own exhaled carbon dioxide had formed around their heads.”