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14

TIL that the medical practice of bloodletting persisted into the 20th century in the US

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OGLg1 TIL that scientists grew a 'mini-brain on the move' that can contract muscle
VMjv4 TIL the song "Blackbird" was inspired by the racial tensions in the US in 1968 as a symbolic way to support the efforts of the Civil Rights Movement. McCartney underlined also that “bird” is a British slang often used for “girl”, which would make “blackbird” become “black girl”.......Also, Bach....
R7oa6 TIL Marie Curie's belongings will be radioactive for another 1,500 years and all guests are expected to sign a liability waiver and wear protective gear to get access as the items are contaminated with radium 226. Her body is also radioactive and was placed in a coffin lined with lead.
x6ojo TIL the word “rooster” was introduced in the mid or late 18th century to avoid the sexual connotation of “cock”.
AmRl TIL One researcher estimates that with current technology it would take 10,000 automated microscopes thirty years to map the connections between every neuron in a human brain, and 100 million terabytes of disk space to store the data.