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TIL The faces on Mount Rushmore will outlast Neil Armstrong’s footprint on the moon. Armstrong’s lunar print is there to stay for about 1 million years. The faces on Mount Rushmore will still be here on Earth for 6 million years after the footprint is gone.

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9g76 TIL that a paedophile had a brain tumor removed and with it, his paedophillic tendencies. When the tumor grew again in the same spot, his paedophile urges grew once more, and disappeared once again after the second growth was surgically removed.
Z8YWp TIL about the death of Elisa Lam, a Canadian student at the University of British Columbia who disappeared while staying at the Cecil Hotel in Downtown Los Angeles. Only later to be found in the water tank when guests complained of problems with the water supply.
9wbmr TIL that Benjamin Franklin never patented any of his many inventions, writing that “as we enjoy great advantages from the inventions of others, we should be glad of an opportunity to serve others by any invention of ours; and this we should do freely and generously.”
x60kb TIL that the old euphemism for a positive pregnancy test, "the rabbit died", came from a test developed in 1931 wherein the urine from a human female was injected into a rabbit. Soon after, the rabbit was euthanized and dissected to check for the reaction of the hormone hCG in its ovaries.
8pr8 TIL that the Blue Code of Silence is an unwritten rule among police officers in the United States not to report on another colleague’s errors, misconducts, or crimes.