Daniel Kish, blind since he was an infant, can easily dodge the pedestrians, signposts and mailboxes that line the city sidewalk.
He’s taught himself the skills of a dolphin. By clicking his tongue and paying close attention to the echo, he can identify surrounding objects and their location — even their textures.
Now he is teaching young people to become independent using the echolocation.
(WATCH the video below or READ the story from NBC News)