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TIL that in over 50 years and 10 billion passengers, the Japanese bullet train has never had a single passenger fatality caused by a derailment or collision.

Read more telegraph.co.uk

via reddit.com

VMAap TIL the Himba tribe in Namibia has no word for the color blue. In research, when shown 11 green squares and 1 blue, they couldn't pick out which was different. The research suggests that without a way of identifying the color as different, it's harder for our eyes to notice it.
a8WKJ TIL selling child abuse material wasn't ruled to be outside of first amendment protections until 1982.
R1p7 TIL: There was a man named Robert Willner who stuck his finger with HIV infected blood in an attempt to prove that AIDS is not caused by HIV retrovirus.
XEMQ6 TIL that the Book of Mormon tells of things like cattle, donkeys, steel, silk, elephants, and wheat in Pre-Columbian America. None of them existed in America before the 1500’s.
P1nZG TIL that scientists and aerodynamicists don't really know why an aeroplane flies