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TIL A Man walked the 19,000-mile coastline of the UK

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R57e9 TIL the "Dade" in Miami-Dade county refers to Major Francis Dade who led 110 men to forcibly remove the Seminoles Indians from Florida in 1836 but was the first man killed in an ambush by Chief Miccanopa. The battle was so decisive that the Seminoles only lost 3 men compared to the 108 lost by Dade.
LYZQ TIL shortly after returning from the moon and leaving NASA, Buzz Aldrin had a failed career as an Air Force test pilot, started drinking, had an affair, suffered depression, got divorced, got re-married, got divorced again, and became a Cadillac salesman where he failed to sell a car for 6 months.
epnVg TIL NASA’s Space Exploration Vehicle is a concept of a modular vehicle for planetary exploration or use in open space. It’s the size of a small pickup & has a bathroom & shower, plus beds
X0DbP TIL John Von Neumann proposed an idea of self replicating spacecraft. Robert Freitas calcd they could colonize the milky way in 500k years. That we see no evidence of them implies we are alone. Carl Sagan argued rate of replication would consume so much mass no intelligent species would build them
0VmA TIL that sea otters have a pocket set across their chest in which they carry their favorite rock. This rock is used to crack open shellfish and each rock is unique to that specific otter. They tend to hold onto the same rock for life.