› added 4 years ago

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TIL the Mathematical Association of America (MAA) does not believe it is important for students to take calculus in high school, saying “the pump that is pushing more students into more advanced mathematics ever earlier is not just ineffective: It is counter-productive.”

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yWOl TIL the highest paid woman CEO in America was born a man
4XyZg TIL that at Ford's Theatre a portrait of George Washington is hung on the box where President Abraham Lincoln was shot. At the time, there was no official presidential seal or symbol, so owner John T. Ford hung the portrait there, as a symbol of the office.
oZa7 TIL that despite later becoming an icon of the south, the confederate flag was never the national flag of the Confederate States of America
WkwgN TIL that Genelle Guzman-McMillan, a Port Authority Secretary was the last survivor to be pulled out from the rubble of the Twin Towers after the 9/11 attacks. She remained under the rubble for 27 hours only to be discovered by rescuers when a rescue dog named Trakr recognized her scent.
46m5 TIL someone invented a circular sling shot or torus device called a “SlingATron” to launch things into space.