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TIL Sir Isaac Newton was obsessed with the occult, and developed the theory of gravity based on occult belief in “action at a distance”

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neY1r TIL B&H Photo, one of the world's biggest audiovisual equipment stores, doesn't take online orders during the weekend. That's because it's run by Satmar Hasidic Jews, who observe Shabbat.
EEw0 TIL that in Sweden volunteers can sign up to receive a text message if someone is having a cardiac arrest 500 m from them so that they can start performing CPR before the paramedics arrive. There are currently 9600 volunteers.
d8LPj TIL that Ulysses S. Grant went on a post-presidency world tour from 1877-79. He was received quite well, often greeting cheering crowds, being offered gifts, and meeting various heads-of-state. He even acted as an unofficial diplomat in some cases, such as a land dispute between China and Japan.
a875J TIL of the US Librarian of Congress. Appointed by the President and serving a term of ten years, they are the head of the Library of Congress with a broad range of responsibilities. Incumbent Carla Hayden appointed in 2016, is both the first African American and woman to hold the office.
BrmBb TIL toeprints are as unique as fingerprints