› added 1 year ago

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TIL of immune privilege, where parts of your body that would be damaged by an immune response (inflammation, high temperature) work outside of your body's immune system, including your eyes and testes.

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PnvE TIL the inventor of the electronic television, Philo Farnsworth, only appeared on tv twice in his life. One time he was on a gameshow and won $80 and a carton of Camel cigarettes.
8V4b TIL A man named Dan Goodwin climbed the north World Trade Center tower in 1983 to call attention to the inability to rescue trapped occupants from the upper levels of skyscrapers.
xVvrB TIL Rubbing your eyes increases the pressure within the eyeball and this pressure activates ganglion cells in the retina in the same way as light does. Your brain doesn’t know the difference and so interprets the activation as though you were seeing light from the world outside.
j69jR TIL that the American Revolutionary War extended to the modern-day Bahamas where Continental Marines conducted the Marine Corps’ first ever amphibious landing in Nassau to seize gunpowder.
Wk4vB TIL that in 1995 NASA updated an original study by Peter N Witt on the effects of various drugs on spiders and found similar results.