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The Nature of Things | Nov 27, 2012 | 2:08

Lights Out! The Blind

How do blind people adjust to the lack of light to set their body clock?

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The Nature of Things - Lights Out! The BlindNov 27, 2012 | 2:08The Nature of Things Lights Out! The Blind Video
The Nature of Things Lights Out! The Blind Nov 27, 2012 | 2:08How do blind people adjust to the lack of light to set their body clock?
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