Science’s 10 Greatest Unsolved Mysteries

 

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One Response to Science’s 10 Greatest Unsolved Mysteries

  1. alfy says:

    One of the other unexplained mysteries is why the makers of this video decided to display the captions for such a brief period. I have never had any problem with film or TV subtitles, but I found that I could only read about 2/3 of the captions before they vanished. I gave up on this clip and just looked at the pretty pictures.

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