› added 13 years ago

229

TIL that the frequency of a cat’s purr can improve bone density and promote healing.

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d70j TIL Kara Hultgreen became the first female fighter pilot, despite having low scores which normally would end your career. She later fatally crashed her F-14 in a landing attempt.
VojZ TIL that Micheal emerson was only meant to be cast for 3 episodes as ben linus on LOST, but when he asked for milk they were so intrigued, they extended him the rest of the series.
P1Wmg TIL that at a 1979 Carnegie Hall performance, infamous entertainer Andy Kaufman sat his “grandma” at the side of the stage to watch his act. At the end of the performance it was revealed that it was comedian Robin Williams in a mask
LQE4P TIL that, to prey on sharks more easily, orcas (killer whales) use their powerful jaws and speed to flip sharks upside down, which induces tonic immobility in the shark (a state of paralysis).
l7pKa TIL that the Russian Soyuz rocket, which has been in service since 1963 and has a success rate of 98%, begins its ignition process by firing wooden sticks inside the combustion chamber. While not quite as simple, it's essentially huge wooden matches and it's extremely reliable.