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TIL there is a 2,700km long wall running through the Sahara desert. Created in 1987 it is still manned 24/7/365 by thousands of soldiers, supported by radar and surveillance equipment, and it features the longest continuous minefield in the world.

gWd9 TIL The man who invented Tang also invented Cool Whip, Pop Rocks, quick setting Jello
ADmyw TIL that in 1910 moose were introduced to a remote part of New Zealand known as Fiordland. They are believed to have mostly died out, but to this day, traces of a mysterious moose presence are occasionally still found in the region. The moose themselves however haven't been seen since 1952.
0w8nM TIL about Ralph Lazo, a Mexican-American who voluntarily relocated to a World War II Japanese American internment camp (Manzanar) to join his Japanese-American friends and neighbors. He was the only known non-spouse, non-Japanese American at Manzanar, where he lived for 2.5 years.
4kbjR TIL that the whistle sound some people make when pronouncing words with “s” is called a whistling sibilant, which is a type of speech impediment. It’s caused when air escapes over the teeth in a way that creates a whistle during sounds like “s” and “z.” Some people casually call it a “whistling S.”
R6gj TIL when Coke marketed their Dasani brand of water in the UK in 2004 it was a PR disaster because they referred to it as “bottled spunk” and used the slogan “can’t live without spunk” not realizing “spunk” was a slang word for semen