› added 6 years ago

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TIL of Mary Babnik Brown, who donated her 34" untreated hair to the United States military during WWII after they determined that blonde hair that had never been treated or exposed to heat was the most resilient material to use as the crosshairs in bomb sights.

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nWaoB TIL Alanis Morissette sang backup vocals on DMB Don't drink the water 🤯🤯🤯🤯
9YdZB TIL There are no pain receptors in the brain itself. Surgery can be done on the brain and technically the brain does not feel that pain. But the meninges (coverings around the brain), periosteum (coverings on the bones), and the scalp all have pain receptors and this is why you have migraines.
16Mm8 TIL when you're stretching your body releases endorphins, that's why it feels so good.
dP6K TIL that the Mars rover Opportunity has been active for over 12 years now, despite a planned duration of activity of only 3 months.
49R6 TIL that telling “scary ghost stories” on Christmas eve is an all but lost Victorian tradition