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What do syrup, milkshakes, and air all have in common? They're all fluids, or stuff that can bend, squish, flow, move, dodge, or mosey out of the way without breaking or separating.
These episodes features foam models to show the germs function. Format: DVD Release Date: / 8/ 20 Rating: NR Run Time: 26 minutes ...
You may not believe it, but these spineless wonders far outnumber those of us animals with backbones. In this episode, Bill Nye ...