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TIL Colorado researchers have 3D printed miniature Lego-style bone bricks that can heal broken bones. The blocks, which are the size of a flea, help regrowth and can be interlocked like toy bricks. They hope to scale the technology and use it to supply laboratory-made organs for human transplant.

Read more 3dprintingindustry.com

via reddit.com

rn8M TIL directly after JFK was assassinated, his wife Jackie refused to remove her blood-stained clothes or have the blood washed from her face and hands. She continued like this aboard Air Force 1 during LBJ’s oath-of-office, telling Lady Bird Johnson, “I want them to see what they have done…”
wo8WP TIL Pittsburgh is the only city where all the major sports teams (MLB, NHL, NFL) have the same colors: Black and gold.
xV9o1 TIL that the Vatican has multilingual ATMs with instructions in Latin. It’s the only ATM in the world with this feature.
kOkX1 TIL that Sergio De Simone, a 7 yo child, was deported in 1944 to Auschwitz and was then sent to Neuengamme camp to be experimented on by nazi doctors (under the promise to see his mother again). He was murdered in 1945 with other 20 kids so that the Allies would not find proof of what was going on.
loyr5 TIL that when Leonid Brezhnev was the head of government of the Soviet Union, he awarded himself the Hero of the Soviet Union for his birthday in 1966, 1976, 1978 and 1981