Some of the most familiar scientific breakthroughs and discoveries came while the researcher was looking for something completely different, while others were just plain luck. It always helps if you are open to the possibility of using what you've got as well as what you're looking for! Guest host Derek Muller of Veritasium takes over for John Green in this week's mental_floss video.
He ate Vaseline every day? Eewwwww.....
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