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TIL the 10th largest pyramid in the world is the Bass Pro Shops pyramid in Memphis, Tennessee

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aOk0 TIL that on August 21, 1986, Lake Nyos in Cameroon released a wave of concentrated carbon dioxide that killed around 1,800 people and thousands of animals almost instantaneously. One witness said, “On that day there were no flies on the dead. The flies were dead too.”
wo8nM TIL PFC Ralph E. Dias, A US Marine was awarded the Medal of Honor for his heroic action that occured on November 12, 1969 in Vietnam. Although severely wounded multiple times by enemy fire, he continued to throw grenades at an enemy bunker until it was destroyed and he was mortally wounded.
LQr0Z TIL Patrick Swayze’s Vietnam draft lottery number of 141 was called in 1970, but he quite probably avoided the draft due to a career ending knee injury he received while playing high school football.
e0n6E TIL: It’s doubtful that dinosaurs would be able to survive today. During the Cretaceous Period 145-66 million years ago the average global temperature was 4ºC higher than today, with little difference between the temperature of the equator and the poles
nWJG TIL America has a ‘green street’ which is paved with 'smog-eating cement’