› added 10 years ago

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TIL that very soon, tooth decay can be fixed by electrically reversing the process to help teeth ‘remineralise’.

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via reddit.com

GYZp1 TIL: In a case of mistaken identity, an inmate spent 17 years in prison until they found his doppelganger who has the same cornrows, facial hair, and first name.
lXJA TIL the Mars Rover “Spirit” was hit by a dust devil on the surface of Mars. It was left unharmed and its solar panels were actually cleaned by the storm in what’s known as the “Cleaning Event”.
6ag8 TIL In 1987, a 19-year old West German named Matthias Rust landed a small plane in Red Square in Moscow. With a combination of luck and human error, he flew over 500 miles from Helsinki, evading the largest air defense system in the world. He told Soviet authorities he was on a peace mission.
6VLQ TIL there was a crooked bank in the Low Countries, that had its entrance in the Netherlands, but it’s vault in Belgium. Belgian Police couldn’t enter the bank; the Dutch could, but were forbidden from entering the vault.
ADV8w TIL that the brushwork on Mona Lisa is so intricate that it literally requires x-rays to view the brush strokes. Apparently, Vinci used a well-known renaissance painting technique called 'sfumato', in which he added 30 layers of paint that still came out to be only 40 micrometers.