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TWiDN: Penguins Are Some Dirty Birds

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Published on Jun 16, 2012

Thank for tuning in to This Week in Discovery News. This episode we talk about bionic eyeballs, penguin sex and how much happier morning people are than us night owls.

LINKS TO THIS WEEKS STORIES:
Retinal Prosthesis Could Help The Blind See
http://news.discovery.com/tech/retina...

Penguins' Sex Acts Shocked Polar Explorer
http://news.discovery.com/animals/ade...

Morning People Are Happier Than Night Owls
http://news.discovery.com/human/morni...

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