› added 7 years ago

269

TIL that, to avoid traumatic brain injury, woodpecker's toungues wrap around their skulls in a small empty cavity, which helps to cushion the blows.

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OopVg TIl the US strategic petroleum reserves are stored in underground caverns carved out of salt. Salt does not react with the oil and is self-healing. The plastic behavior of salt will cause it to naturally close fractures or gaps and prevent any leakage.
Lk9k9 TIL: The anatomy of the clitoris was not determined until 1998
Nx1e TIL that whilst the average infantryman in WWII saw 40 days of combat over 4 years, the average infantryman in Vietnam saw 240 days in 1 year.
0JgR TIL that a man memorized all the prices of past items on The Price is Right, and repeatedly helped contestants win, until he was banned from the show for 10 years.
PYQvV TIL only 12.5% of US serial killers fit the profile most often typified in media today— an intelligent, white male in his 20s.