› added 4 years ago

85

TIL that all vertebrates have a blind spot where they are unable to perceive vision. This is the point where optic fibres pass front-to-back through the retina towards the brain. Thus, this spot has no photoreceptors.

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Wk5O4 TIL that people who have lost nerve function in their hands have either slight or no wrinkling when they are immersed in water (AKA bathing). I also learned that the outer layer of our skin is made up of dead keratin cells.
dD4B9 TIL a leech can survive on one feeding every five years if it is kept refrigerated.
rRVJM TIL former Beatles roadie Mal Evans produced Badfingers top 10 hit No Matter What. He was also a reason how they became the first band signed under Apple Records.
0dX6j TIL that Fyodor Dostoevsky was once mock executed and that he processed the event in his novel „The idiot“
eBgD TIL that the president’s feces & urine are Classified Top Secret, and that it is flown back to the United States for disposal when visiting other countries.