Do we walk in circles if we can't see?

Is it possible to walk in a straight line if one is blind or blindfolded? Are blind people better at it? Find the answer in this Question of the Week.
14 February 2011
Presented by Diana O'Carroll

HUMAN-EYE

Human eye

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Is it possible to walk in a straight line if one is blind or blindfolded? Are blind people better at it? Find the answer in this Question of the Week. Plus, we ask how fast a car would have to travel in order to lift an outdoor passenger from the ground.

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