Birds Don't Have Lungs Like We Do - They Have Something WAY Better!
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Evolutionary Biologist Reacts to Creationist Arguments
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I Have Terrible News About Penguins...
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La paradoja de la cúpula: una laguna en las leyes de Newton
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The Gripen: Sweden's Fighter Jet Masterpiece
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The Real Reason Why You Have Allergies
16:05
How Do Birds Survive the Cold Winter?
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The BEST Mechanical Display You've EVER Seen!!!
15:38