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TIL that Schizophrenia's hallucinations are shaped by culture. Americans with schizophrenia tend to have more paranoid and harsher voices/hallucinations. In India and Africa people with schizophrenia tend to have more playful and positive voices

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bYQE TIL the first human cardiac catheterization was done by Werner Forssmann who, after failing to get permission from his department chief, anesthetized his arm, inserted a catheter into his vein and threaded it into his heart. He then walked down to the X-ray department and took a picture to prove it
VM7LG TIL We don't really know how Shakespeare spelled his own name, and nor, in fact, did he.
5VPkk TIL that VidAngel, a Utah-based media company that streams censored versions of popular films and TV series based on user-set criteria like nudity, profanity, and violence, was successfully sued by major Hollywood studies for copyright infringement.
wLWaY TIL about Brainport, a technology that allows blind people to SEE using their tongue. The image picked by the camera is processed by a chip which converts it to electro-tactile impulses, sent to the brain through an electrode attached to the tongue
Zmw4 TIL That the original proverb is “Blood of the covenant is thicker than water of the Womb” meaning that chosen friends are more important than family, which you can’t chose.