› added 8 years ago

185

TIL Zildjian (cymbal company) is almost 400 years old

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wobVY TIL Arunachalam aschool dropout from a poor family in India has revolutionised menstrual health for rural women in developing countries by inventing a simple machine they can use to make cheap sanitary pads. He nearly lost his family, his money and his place in society.
E1NZ7 TIL The communal chatter of snapping shrimp colonies on the ocean floor created enough white noise that the U.S. Navy successfully hid submarines near them during WWII, avoiding detection by underwater Japanese hydrophones.
kOKD1 TIL Magpies in Australia are not related in anyway to Magpies in the rest of the world.
PYw1E TIL that in order to hand draw all of the bubbles in The Little Mermaid, the manpower was outsourced to a China based firm, and the finished artwork of the bubbles was kept in a vault blocks away from the demonstration at Tiananmen Square in 1989. This almost delayed the production of the movie.
lVOa TIL ‘Evil’ behaviours can be categorised into four basic groups: machiavellianism, psychopathy, sadism and narcissism - and all have been researched in animals other than humans.