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Kelson Shilling-Scrivo
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Kelson Shilling-Scrivo

  • Robert Krulwich: Why Can't We Walk Straight? - Duration: 3 minutes, 34 seconds.

    • 4 years ago
    • 261,245 views
    Try as you might, you can't walk in a straight line without a visible guide point, like the Sun or a star. You might think you're walking straight, but as NPR's Robert Krulwich reports, a map of yo...
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