A Mystery: Why Can't We Walk Straight? : Krulwich Wonders : NPR

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 a map of your route would reveal you are doomed to walk in circles.
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 a map of your route would reveal you are doomed to walk in circles.

A Mystery: Why Can't We Walk Straight? : Krulwich Wonders : NPR

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