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TIL about Anatoly Moskvin, a Russian historian who was discovered to have dug up the bodies of 26 girls and mummified them in his home, dressing them up as dolls and keeping them for years without anyone knowing.

1o4X TIL The earliest form of RAM stored data as sound waves. Bits would be ‘thumped’ into a tube filled with mercury, then read by sensor on the other end. The computer was free to do other things during the relative eternity it took the bits moving at the speed of sound rather than the speed of light.
NayE TIL: The Antiques Roadshow appraised a grotesque jug to be worth $50,000, comparing it to a Picasso. Unknown to the appraiser, it was actually made by some random high school kid over 40 years ago. After finding out, he changed his appraisal to $5k, saying it was “not bad for a high schooler”
9YO0D TIL of oncolytic viruses, viruses that are genetically modified to target and kill cancer cells
DpmD TIL GlaxoSmithKline knew that the anti-depressant drug paroxetine didn’t work in adolescents and increased their risk of suicide, yet didn’t divulge the information as “it would be commercially unacceptable to include a statement that efficacy had not been demonstrated.”
4knPR TIL Ameland island, Netherlands, eliminated red in the light spectrum of streetlights and nearby offshore platforms since migrating birds took the cue to communicate all night long, and disoriented birds' internal compasses causing exhaustion. Blue-green lights increase migratory bird survival.