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226

TIL dinosaurs were around before flowering plants existed.

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KYlX6 TIL that the Toilet waste is never intentionally jettisoned from an aircraft. All waste is collected in tanks and emptied into toilet waste vehicles. Blue ice is caused by accidental leakage from the waste tank.
KAjR TIL that Walt Disney built a house for his parents the year that “Snow White” came out. The furnace in the new house was faulty, and within weeks the gas leak killed his mother.
VBm5k TIL About firedamp whistles, a device designed to detect flammable gases in a coal mine by blowing local air and a reference gas through whistles and listening for a "beat" caused by a slight difference in the frequency
N5O8 TIL the same PR firms that tried to argue that tobacco use did not link to lung cancer received money in 2009 simply to increase the debate over the long term health consequences of natural gas fracking.
x6KJB TIL That in the UK School Systems An A is Actually The Grade Range of 75-100%, versus the US Where It’s 90-100%.