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It offers definitions and discussions of what mammals are (they have hair, feed milk to their young, and generally stick around to take care of their babies, for example) and how they differ from other species.
What do syrup, milkshakes, and air all have in common? They're all fluids, or stuff that can bend, squish, flow, move, dodge, or ...
In this episode, Bill Nye explains how amphibians can live both on land and in water, and also demystifies the process of ...