Video duration: 36 seconds
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These tootin' bathtub baby cousins sing a smelly duet about the bubbles they make with their farts. This will teach mommy not to feed them beans. One warns the other not to push too hard or he might go number two. Who needs Mr. Bubble when you can pass gas while taking a bath?
Video duration: 131 seconds
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Assoc. Prof. Marc Spiegelman dances in a bathtub full of cornstarch and water to demonstrate how rocks can behave as a liquid or a solid under different conditions.
This demonstration was part of Columbia University Lamont-Doherty Earth Observatory's annual Open House, Oct 7, 2006.