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TIL dietary restriction slows brain aging and increases lifespan

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J1B8m TIL the Iowa Writer’s Workshop was used to fight communism abroad and domestically from the 1940s through the 1970s, and received substantial funding from the CIA to do so.
eBKJ TIL that weed and hops are from the same plant family
XgOX TIL ‘old person smell’ is actually caused by the chemical 2-nonenal. Older people secrete this chemical through their skin at a much higher rate than younger people.
EgybP TIL McDonald's was fined $4 million in 1999 for not reporting 400+ injuries of children using Big Mac Climber jungle gyms, where children climbed up a tube from the ground and played between two giant metal hamburger buns. The last Big Mac Climbers were removed from McDonald's playgrounds in 1997.
xVyl0 TIL In the wild, giraffes almost never lie down because of vulnerability to predators. They usually sleep standing, sometimes sitting, and they give birth standing up. When giraffes sleep, they curl their necks and sleep for about five minutes at a time, sleeping no more than 30 minutes a day.