Blind Man Uses Echolocation to 'See'

Like bats and dolphins, Daniel Kish uses sound to locate objects.
3:00 | 05/25/11

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{"id":13688305,"title":"Blind Man Uses Echolocation to 'See'","duration":"3:00","description":"Like bats and dolphins, Daniel Kish uses sound to locate objects.","url":"/Health/video/blind-man-echolocation-13688305","section":"Health","mediaType":"default"}