› added 12 years ago

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TIL Muhammad Ali threw his Olympic gold medal into an Ohio river to protest racial discrimination in America

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mx9OR TIL if you hit a pedestrian with your vehicle at 30 miles per hour, there's a 20% chance they will die. At 35 mph, it increases to 50%. And at 40, it jumps to a 90% chance of death.
DQxwv TIL that refrigerated bread isn't hard due to moisture loss but crystalized starch which can be fixed by simply heating it up.
9Yj5G TIL, American pilots flew P-51 Mustangs in Very Long Range misisons operating from the island of Iwo Jima during WW2. These 7+ hour missions involved flying 3 hours across the open Pacific to targets in Japan and then 3+ hours return flight. Threats included bad weather, flak, enemy planes, etc.
KY904 TIL Quentin Roosevelt, son of President Theodore Roosevelt, was a pilot who was killed in combat in WW1. For propaganda purposes, Germany made a postcard of the dead pilot and his plane, However, this was met with shock by Germans, who were impressed that a president's son died on active duty.
KZlw TIL the guy who succeeded Isaac Newton as President of the Royal Society was the man who invented chocolate milk.