› added 12 years ago

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TIL that Underwater Forest off Alabama Coast Uncovered by Katrina is 50,000 Years Old

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dDLGB TIL that lightbulbs in the NYC subway and other train systems have left-hand screws. The backwards design is to prevent people from stealing bulbs for use at home.
rEJ1 TIL American poet and activist Alice Dunbar Nelson was rejected by both the white and the black society because white people found she was “too black” and black people found she was “too white”.
D1JxJ TIL the term c-note originated in the 1930s taken from the Roman numeral C (for 100)
DQgLY TIL because of the US Neutrality act at the start of WWII, the US delivered planes to the US-Canadian border and Britain pulled the across using horses or trucks.
GYdwJ TIL while the Snellen eye-chart is the most common, created in 1862, the Mayerle eye test chart created in 1907 tested acuity, astigmatism, muscular stength of the eyes and color vision