Thinking ink: The scoop on this colorful stuff!
Brains On! Science podcast for kids
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Tattoo Ink - What You Need to Know
A tattoo needle punctures your skin and inserts a drop of ink right under the outermost layer of your skin. Your body closes up the wound, but the ink stays right under the surface of your skin leaving the tattoo design. Tattoos have been around for so long that there have been all kinds of recipes. One of the oldest ink recipes we have was recorded by a doctor in ancient Rome.
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