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TIL the number of active four-star Generals (the highest officer rank of the US army) is limited. This is set at 7 Army generals, 2 Marine generals, 8 Air Force generals, 2 Space Force generals, 6 Navy admirals, and 2 Coast Guard admirals.

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9wwrD TIL that The Maze, Utah ranks as the one of riskiest hike in the world. It is the least accessible district of Canyonlands. It's a difficult place to navigate, with lots of side canyons and dead ends from the main trail. Food and water are scarce, and could take rescuers three days to reach.
PDnO TIL Apollo 10 was given limited fuel for orbiting the moon to discourage the astronauts from attempting a Lunar Landing ahead of the scheduled Apollo 11.
mxR5R TIL there’s a country called Chad, and the people who live there are called Chadians.
KyP4 TIL that “Unabomber” Ted Kacynzski is still writing from his prison cell scholarly articles with hundreds of citations
gMk89 TIL Africa is larger in size than the United States, China and Brazil combined. While Russia, the most populated country in Europe, has a net population of approx. 145 million, Nigeria alone is home to approx. 195 million people. West Africa alone is home to 5% of the world's population.