› added 10 years ago

188

TIL that the average number of credit cards per U.S. cardholder is 9.5

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via reddit.com

wkXM TIL the German state forensic bureau showed that portions of the Anne Frank Diary were written with a ballpoint pen. Ballpoint pens were not available before 1951.
worj7 TIL that George Stanley, the designer of the Canadian flag, received death threats from opponents of his design.
yQ6Ba TIL I learned of Jevons Paradox. Also referred to as the efficiency dilemma. It holds that gains in efficiency with which a resource is used only lead to increased demand for that resource.
jY9Q TIL that the Opium Wars were fought to allow the British to import Opium TO China.
E00o TIL that cells from fetuses can migrate into the brains of their mothers and a son’s DNA can shows Up in his mother’s Brain.