› added 8 years ago

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TIL limpet teeth are the strongest biological material on the planet and are stronger then Kevlar .

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yQO4J TIL after India, the state of Texas now has the world's second-largest tiger population
QNap9 TIL that a blank TV screen received good audience ratings. During a strike by ITV workers in 1979, the UK network aired a caption stating "Transmissions will start again as soon as possible". One million TVs stayed tuned to ITV, as people hoped the strike would end soon. It ended after 11 weeks.
VD9p TIL Until 1735 no new metals had been discovered since prehistoric times; iron, copper, silver, gold, zinc, mercury, tin, lead & bismuth. When Georg Brandt recognised a tenth, Cobalt, he became the first ever known person to discover a metal. For thousands of years cobalt was mistaken for bismuth.
LK8r TIL that the Soviet Secret Police on Stalin’s orders executed 22,000 Polish officers but Roosevelt and Churchill had to deny it and blame the Nazis in order to maintain their alliance with Stalin
mxxLp TIL that Jackie the lion, one of the mascots for MGM, not only survived two train wrecks, an earthquake, a boat sinking, and an explosion at the studio, but also a plane crash that left him stranded in the Arizona wilderness for days