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TIL when trees evolved, it took 60 mil. years for fungi to evolve the ability to break down lignin. Trees fell over and didn’t decompose, storing vast amounts of carbon, resulting in an oxygen-rich atmosphere that favored enormous insects; burning in massive fires; and producing our stores of coal.

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ne5Z7 TIL if you hold in a fart, some of it gets expelled through your lungs.
XEDN8 TIL that after losing all four engines, the pilot of British Airways flight 9 calmly addressed the passengers, telling them "we have a small problem. All four engines have stopped. We are doing our damnedest to get them going again. I trust you are not in too much distress."
VBgRp TIL not everyone has 206 bones. More than a third of people have extra “accessory bones”
GAVxE TIL that roughly 1/3 of Japan's population live in just the Tokyo Metropolitan Area
yQpgl TIL those holes in the mortar around my brick home are called weep holes and a sign of good masonry work.