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TIL iron in the red sand beaches of the Galapagos islands is responsible for fertilizing the surrounding ocean and supports the entire diverse local food chain. Humans could artificially do the same with mineral iron in any ocean

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8Zd4 TIL New York Point lost out to Braille in the “War of the Dots” when Helen Keller considered it inferior to Braille. Her claim that it caused literacy problems among blind children was one of the chief arguments against New York Point and by 1916 Braille prevailed.
RZ68 TIL that dung beetles can navigate when only the Milky Way or clusters of bright stars are visible and are the only insect known to orient itself by the galaxy!
rRXNd TIL Nu Metal standard 'Last Resort' made its first public appearance in the 2000 wrestling film flop, Ready to Rumble
nWnDY TIL why Roman concrete beats all competitors
d84Gd TIL a pilot of a mail carrier plane once flew upside down for an extended of period of time to disorient the disgruntled employee trying to murder him and his copilot with a hammer and speargun.