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TIL that Juneau, Alaska and Iqaluit, Nunavut are unique among capital cities in North America as the only two without roads connecting to their state/provincial/territory.

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M7ymW TIL in November 1970 an airplane carrying the Marshall University football team (plus coaches and a few other people) crashed into a mountaintop outside the Huntington WV airport, killing all 75 people on board. It is considered the worst sports-related air tragedy in U.S. history.
6EngJ TIL Mark Lenard, best known for his role as Sarek, the father of Spock, first appeared in the first season of Star Trek: The Original Series, playing the first Romulan ever seen in the series, in the episode "Balance of Terror" (1966).
b6Oap TIL it is dangerous to blow air into a pregnant women's vagina. The increased air pressure can pass beneath the fetal membranes and into the circulation causing a venous air embolism that can kill within minutes.
E1Mkd TIL the DNA Doe Project has helped identify over 24 victims. Some families receive closure after 20+ years. Victims range from a bootlegger found in 1979 to a woman thrown from a truck in 2017. The volunteers work from donations. You can also help by submitting your DNA results to GEDmatch.
AD584 TIL our species is continuing to evolve in 3 ways: natural selection (by which many are adapting to malaria and high altitudes), random mutations (increasingly likely as more older males become fathers), and a mysterious genetic repair tool that biases eggs and sperm to C and G bases over A or T.