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TIL Canada's new 10-dollar note features Viola Desmond, a black woman and civil rights activist from Nova Scotia. She is known as Canada's Rosa Parks for her refusal to leave a whites-only section of a theatre.

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6lPJ TIL that in 1943 the Pittsburgh Steelers and the Philadelphia Eagles merged into one team known as the “Steagles” because of depleted rosters during WW2.
Wk7wY Microwaves can transform a frozen pizza into hot, melted goodness in four minutes flat, but they can't rescue your melted ice-cream sundae. To cook food, a microwave oven converts voltage into high-frequency electromagnetic microwaves. The molecules in food—especially water and fat—absorb this energy and wiggle at high speeds, causing them to heat rapidly and warm the surrounding food. Although quickly turning leftovers cold would be handy, this is a one-way operation, explains David Pozar, a professor and microwave expert at the University of Massachusetts.
8exRV TIL when filming Mr. Smith Goes to Washington the Park Service did not want Frank Capra to film at the Lincoln Memorial, so he sent a large crew elsewhere as a distraction while a smaller crew filmed Stewart and Jean Arthur inside the Memorial
VBmlZ TIL the former drummer of The Offspring, Dr. James Lilja, saved the life of a potential juror in his medical malpractice case after the man went into cardiac arrest & collapsed during the jury selection. To avoid any bias, the judge ordered a mistrial & set a new court date.
aZKL TIL that humans can generally detect their parents, children, and siblings (but not spouses, half-siblings, and stepchildren/step-parents) by smell, and females prefer sexual partners with a different smell than their own. Scientists believe this is an evolved defense against incest.