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TIL the first inter-state quarantine ever undertaken in America happened in Cincinnati in 1878 thanks to Dr. Thomas C. Minor - and it even received some pushback from the local community

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5YjGk TIL Teflon was introduced by DuPont in nonstick cookware in 1946 and was the very “forever chemical.” These types of chemicals are linked to many diseases, never break down in the environment, and are now present in the blood of nearly every American adult and newborn baby.
mx17o TIL The longest-lived animal ever found was a 507 year old clam
9ZDX TIL that Killer Whales aren’t whales but a species of dolphin. The confusion stems from the Spanish, who called them “whale killers”.
950D TIL that a dog called Bobbie travelled over 2,500 miles across America to get back to his owners after being accidentally abandoned.
1JmO TIL that cats have scent glands in their paws. When they kneed their paws into us they are marking their territory.