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Quirks and Quarks | Feb 23, 2013 | 10:15

Human Echolocation: Blind Like A Bat - 2013/02/23 - Pt. 1

The human brain can interpret echolocated signals to distinguish shapes, as well as objects.

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The Current - Why Canadians get sick from tap waterJun 19, 2013 | 26:42The Current Why Canadians get sick from tap water Audio
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