› added 11 years ago

82

TIL that the United States has been on the metric system since 1975 through the Metric Conversion Act, declaring that the metric system is “the preferred system of weights and measures for United States trade and commerce”

Read more wikipedia.org

via reddit.com

wOm8 TIL the Queen of England has two mentally handicapped cousins, who were disowned by her family and essentially declared dead. One was buried in an unmarked grave, the other is still ignored.
Egdww TIL that although we are warned to be most afraid of a mother bear and her cubs, nearly 90% of fatal bear attacks are at the paws of lone male bears.
W7jE4 TIL Ford Motor Company made experimental helmets for soldiers in WW1. The Model No. 8 helmet made between 1917 and 1918 weight 3 lbs and looked like a knight helmet.
9XrQ TIL A Lesbian Rule is a flexible ruler made from lead used to reproduce irregular curves in construction
jN8BE TIL that all the people on Earth could fit, standing shoulder-to-shoulder, inside the 500 square miles of the city of Los Angeles.