› added 7 years ago

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TIL when LBJ died on January 22nd, 1973, then President Richard Nixon was the only living President, past or sitting.

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gQVL TIL A senior scientist in the Manhattan Project was later persecuted by a member of the House Un-American Activities Committee for being “at the forefront of a revolutionary movement in physics called…quantum mechanics.”
7X8r TIL that bug zappers can spread a mist containing insect parts up to 2.1 m from the device, meaning air around the bug zapper can become contaminated by bacteria and viruses that can be inhaled by people or settle on food.
xPe1 TIL that a hunter-gatherer burns roughly the same amount of calories in a 24 hour period as a sedentary office worker. This is because the body adjusts the metabolic rate down to compensate for activity.
e0PWJ TIL that Saudi Arabia accidentally printed textbooks showing Yoda sitting next to the king.
ANYBx TIL basal cell carcinoma grows roots. What looks like a small bump that’s not healing on top of your skin on the outside could actually be much larger underneath. It’s a very treatable skin cancer, but also has a high rate if reoccurrence.