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TIL Medieval Pilgrims Apparently Tried to Ward Off the Plague With Bawdy Badges

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9Y5MD TIL of the National Film Registry, a selection of movies deemed "culturally, historically or aesthetically significant" and has earned preservation by the Library of Congress.
Oo6g TIL GZA of Wu Tang Clan is writing a series of albums dealing with science so as to get more people hooked on science.
neAjB TIL The Salton Sea was once a popular resort visited by celebrities, and California's most productive fishery. It became polluted by agricultural runoff, causing large die-offs of birds and fish. It's now drying up, and airborne dust from the exposed lake bed threatens the health of millions.
VMKB8 TIL On a US Navy submarine using the "emergency blow activator, or 'chicken switch,'" is "a last resort in emergency situations." "Throwing the switch immediately blasts large volumes of compressed air into all of a submarine's ballast tanks, bringing the boat to the surface as quickly as possible."
N5ee TIL that in Australia 4,000 people once rioted because a pub closed.