› added 3 years ago

102

TIL Eisenhower is the only two-term president since World War II to never have a negative approval rating

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VMJyB TIL Japan's infamous suicide rate is only 4.2% higher than the US's, and their male rate is lower.
KynE TIL NASA used 3D printing to make rocket engine injector, cutting manufacturing time from 1 year to 4 months and cuts costs by 70%.
e0W0g TIL that working memory operates phonologically which helps Chinese speaking people to remember more digits than English speakers because Chinese number words are all single syllables whereas words in English aren’t.
gM9a4 TIL Anne Frank was bisexual and wrote extensively about her attraction to both men and women. The common version of her diaries are censored for this content.
Amxl TIL: Frequent marijuana use during one’s adolescent years (13-20) was associated with an average loss of 8 IQ points during mid adult-hood.