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TIL No one knows what’s making children in South Africa resistant to AIDS

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4W5w TIL that about 50% of perceived friendships are actually non-reciprocal
yQAPw TIL that the team that helped Sir Edmund Hillary and Tenzing Norgay first climb Mount Everest in 1953 numbered at nearly 400 persons. There were 350 porters, 30 Sherpas, and 13 climbers.
YKPB TIL Hong Kong’s richest man and one of the richest men in the world is named Ka-Shing
9RZX TIL that the British exclusively swam breaststroke in competition until the 19th century. In 1844, a Native American came to London and won a competition swimming front crawl (freestyle), a stroke never seen by the Western world, who then regarded it as “un-European”.
v1lKr TIL: Uranus was originally name "George" by its founder in honour his patron King George III