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What does our body do? The human body has different parts that help us do things like walk, talk, eat, and see. Just like a car has different parts, such as wheels and windows, our bodies also ...
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Science Behind—Why Cutting Hair and Nails Are PainlessWhen you cut your hair and nails, you feel No pain, no fuss. Have you ever stopped to wonder why cutting your hair and nails ...
Scientists are exploring that futuristic vision by using special 3-D printers to make living body parts. Called bioprinters, these machines use human cells as “ink.” A standard 3-D printer ...
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