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TIL Sitting close to a tv or monitor is not actually bad for the eyes. That was a myth likely perpetrated by adults to keep kids from blocking the tv.

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axQJ TIL when Astronaut Ed Mitchell was asked what it’s like to stand on the moon, he said: “From out there on the moon, international politics look so petty. You want to grab a politician by the scruff of the neck and drag him a quarter of a million miles out and say, ‘Look at that, you son of a bitch.’
oR78 TIL that a history teacher in the 1960s ran an experiment to recreate Nazi Germany using his students, called the “Third Wave.” The students had hung banners around the school, saluted each other in the hallways, and his skipped other classes to join the movement.
7BOM TIL that the royal navy also has a 2nd Sea Lord, and that there used to be a total of 5 Sea Lords at a time, explaining why the commander of the royal navy is the 1st Sea Lord rather than simply THE Sea Lord.
JYvN4 TIL the two oldest cats ever recorded was owned by one guy: Creme Puff (38 years) and Grandpa Rex Allen (34 years). The owner even revealed what he believed to be the key to their longevity, a diet of dry cat food supplemented with broccoli, eggs, turkey bacon, coffee with cream and red wine.
NXGRP Today I Learned that almost all brands of modern e-cigarettes and vapes being sold are owned by the big tobacco manufacturers. Revenues from from these are increasing (10's of billions $), more than making up for lost sales of people giving up cigarettes.