› added 9 years ago

195

TIL: Tank crews don’t sleep under their tanks, as there is a story about a tank sinking in mud and crushing people.

Read more bbc.co.uk

via reddit.com

E1VZp TIL about the Three-Fifths Compromise, where slaves were counted as 3/5 of a citizen. The Southern states wanted more seats in Congress than they might achieve with only white people, but counting them as equal would be plainly hypocritical, since slaves did no have the rights of free people.
jD8Q TIL that labs working with level 4 biohazards such as Ebola, maintain a negative air pressure. This assures that in the case of a leak, clean air will flow into the lab, rather than possibly contaminated air flowing out.
V7o4 TIL that the Ferris Wheel, moving walkway, Pabst Blue Ribbon, squashed penny souvenirs, Juicy Fruit gum, and Aunt Jemima pancake mix were all unveiled at the 1893 Chicago World Fair
rN96M Today I learned that the statue of David by Michelangelo is 5.17-metre (17 ft) tall.
l75lA TIL there was a “We Are the World 2” for Haiti earthquake relief