How Birds Get Oxygen Inside Their Eggs

Source: http://www.youtube.com/watch?v=w-M33PtwtM4

Description:

A beautiful tour of the bizarre system that keeps chicks from suffocating before they hatch.

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Credit s:
Produced by Adam Cole, Ryan Kellman
Electron Microscopy: Murry Gans
Audio Engineering: Josh Rogosin
Senior Editor: Alison Richards
Supervising Editor: Nicole Werbeck
Chief Science Editor: Andrea Kissack
NPR Director of Visuals: Keith Jenkins

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