› added 11 months ago

32

TIL Human sexuality is influenced by genetics

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GYZ94 TIL Rats laugh when they're tickled too, but they giggle at 50kHz, which is out of our audio range.
QJKwk TIL when China leased to Britain the New Territories of Hong Kong in 1898, British diplomat Claude MacDonald secured a 99-year lease only because he thought 'it was good as forever'. Britain did not think they would ever have to give the territories back.
MNjb TIL that El Paso, Texas is one of the safest big cities in America, despite being across the river from Juarez, one of the most dangerous cities in the world.
LQPpm TIL that Walt Disney testified before the House of Un-American Activities Committee in 1947. He accused former employees of communism leading to some being blacklisted in Hollywood.
VM5ep TIL of Dunbar's number which is a proposes 150 is the maximum of people with whom one can maintain stable social relationships