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TIL of a Boston doctor who uses tricks to minimize pain when treating children; including one of his patients who received 6 stitches on a head wound without even realizing it happened.

Read more commonhealth.wbur.org

via reddit.com

gMEaX TIL Researchers found that women who were interested in a fling liked the scruffy look, showing a high preference for men with light and heavy stubble and little interest in the clean-shaved baby-faced look. But for women searching for someone to settle down with, the longer the beard the better
ODBL TIL that the creators of Sesame Street had to change Mr Snuffleupagus’s appearance because he was too frightening for children. He originally had narrow yellow eyes.
ajOo TIL airline pilots in the 1930s and 40s would navigate by listening to a stream of automated “A” and “N” Morse codes when visibility was poor. They would turn the aircraft to the right when hearing an “N” stream, to the left on an “A” stream and fly straight ahead while hearing a steady tone.
nXkb TIL the total number of energy used to mine Bitcoins daily is massive, with 982 megawatt hours a day, that’s enough to power roughly 31,000 U.S. homes, or about half a Large Hadron Collider.
JPYQ TIL the highest-ever federal tax rate was in 1954: 92% for those making over $1.7 million (in 2013 dollars). [pdf]