› added 7 years ago

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TIL there is a theory that homosexuality might be caused by the mother's immune system---which may mistake male-specific proteins on the Y chromosome as pathogens and "attack" them, leading to developmental quirks

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via reddit.com

ADMGg TIL that in Japan, western style underwear became popular only after a tragic incident of a fire in a departmental store (1932) which claimed 14 lives. It's alleged that some women refused to jump into the safety net as they were not wearing panties under their Kimono, the traditional Japanese dress
VBmo8 TIL Portugal has the world's highest rate of divorce, with nearly 19 in 20 marriages ending in divorce.
8eRX4 TIL Female Bark lice have spined penises they use to mate with unwilling partners for up to 70 hours
kOKXB TIL due to medical advancements, HIV sufferer life expectancy went from 39 in 1996 to 72 in 2011 with appropriate medication.
p8yjO TIL that during WWII the US experimented with using a bomb filled with live bats that had incendiary devices attached to them in an attempt to set enemy cities on fire