› added 3 months ago

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TIL that the world's oldest known painting is believed to be a cave painting in Spain, estimated to be around 65,000 years old. It depicts a red deer.

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via reddit.com

bKN7 TIL that a single helmet for the Air Force’s new F-35 fighter costs over $400,000
VMvdG TIL Abraham Lincoln's son Robert Todd Lincoln was either present or nearby during the assassinations of three U.S presidents. After the third assassination he vowed to never accept another presidential invite.
DQdkV TIL Muhammad Ali’s speaking rate slowed 16 percent after his 1977 15-round fight against Ernie Shavers
BrMyD TIL that the most accurate simulation of the human brain ever has been carried out, but a single second’s worth of brain activity took one of the world’s largest supercomputers 40 minutes to calculate.
6EVAQ TIL the phrase "Don't Mess with Texas" is actually the slogan of a no-littering campaign