The term "okay" is derived from "OK" and not the other way around.
27. Despite being filled with flammable hydrogen, the Hindenburg airship had a smoking lounge on board.
28. The voice of phone numbers, voicemail, etc. is not a computer-generated voice but the recorded voice of an actual lady named Joan Kenley.
29. Lego bricks from 1958 still interlock with those made in the current time. According to their company policy, each Lego piece must be manufactured to an exacting degree of precision and when two pieces are engaged they must fit firmly, yet be easily disassembled.
30. The tiny European country of San Marino conferred citizenship on Abraham Lincoln, who responded by thanking them and praising their system of government.
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32. The “seeds" you see on the outside of a strawberry are actually the plant's ovaries and are called "achenes." Each “seed" is technically a separate fruit that has a seed inside of it.
33. The world’s largest parrot, the Kakapo, is the world's only flightless parrot. It is nocturnal, herbivorous, and is one of the world's longest-living birds with an average lifespan of 95 years. It is critically endangered. As of 2012, there were only 126 living individuals known.
34. Playing the didgeridoo has been clinically proven to help treat sleep apnea.