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TIL a study found people can accurately gauge the intelligence of men, but not women, by viewing their faces. Both men and women were able to accurately evaluate the intelligence of men by viewing facial photographs, but with women, no relationship between perceived intelligence and IQ was found.

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woeaE TIL The first (UAV) unmanned, remote controlled, video camera guided aircraft assault drone was built in 1942
JLNQ TIL In May 1997, Mattel introduced Share a Smile Becky, a doll in a pink wheelchair. A 17-year-old high school student with cerebral palsy pointed out the doll wouldn’t fit in the elevator of Barbie’s Dream House. Mattel announced it would redesign the house in the future to accommodate the doll.
W7wwX Today I Learned that millennial dads are spending 3 times as much times with their kids than their fathers spent with them. Back in 1982 43% of fathers admitted they'd never changed a diaper. Today that number is down to about 3%.
Oorne TIL: Researchers taught African grey parrots to buy food using tokens. They were then paired up, one parrot given ten tokens and the other none. Without any incentive for sharing, parrots with tokens started to give some to their broke partners so that everyone could eat.
MeYNb TIL the tapeworm diet started with women in the Victorian Era. The style was to have pale skin, eyes that looked dilated, red cheeks and lips, and a tiny waist. In the age of corsets, they also ingested tapeworms to lose weight. Still practiced today, women take a pill that has a tapeworm egg inside