› added 4 years ago

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TIL that in the same way helium can make your voice go high-pitched by breathing helium, you can make your voice go deep by breathing Sulfur hexafluoride

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a8dAL TIL the 2nd amendment was passed so the federal government could form “well-regulated militias” to put down civilian rebellions - not to protect individuals from government tyranny
0wVDL TIL that the tail of a stegosaurus is called the "thagomizer". The term was coined in 1982 in a cartoon made by Gary Larson. This bone did not have a scientific name yet, and thagomizer was eventually adopted as the scientific name.
0wXvR TIL of Desmond Doss, who despite being a pacifist, served as a combat medic in WWII and saved 75 people during the Battle of Okinawa without even carrying a gun. He was the only conscientious objector to be awarded the Medal of Honor for his service in the war.
R7vK6 TIL No two samples of human ashes will be precisely the same in terms of elemental composition
jpv TIL NASA is landing a vehicle the size of a car on Mars in August. You can see a live update of its location in the solar system here at any time.