› added 3 years ago

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TIL semen is only 10% sperm (the little swimmers). The rest is made up of nutrients such as vitamin C, calcium and protein.

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PYLWO TIL Andre 3000 recorded all the vocals for the hit Outkast song "Hey Ya!" Off the top of his head. He also recorded 30-40 takes of each line. His recording engineer said that there about 20 different versions of the song recorded during their sessions together.
nLnW TIL in 2008 a dog tried to save his owners lives after 5 armed pirates hijacked their yacht off the coast of Venezuela. After the men climbed aboard the dog furiously attacked them, biting and snapping until he was stabbed then shot. The dog survived and the pirates left almost empty handed.
VM0d0 TIL The Russian tried to dig a hole through the Earth's crust in the 1970's. They reached 40,318 feet deep before they stopped. It is still the deepest hole humans have ever dug.
obor TIL that Colorado is not a perfect rectangle. Along the west border with Utah it goes at a slight angle and then continues straight again due to surveyors making a mistake.
rpdM TIL that out of the 107 billion humans who have ever lived, and estimated 40% died before the age of 1