Man Signs Up To Undergo World’s First Head Transplant

Growing A Nose Somewhere It Doesn’t Belong

During a process called “prelamination,” tissue is constructed in multiple layers: the skin on the outside, cartilage, and the soft lining inside. Then the finished reconstructed tissue is transplanted to the correct area.

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The More You Know

  • The stars and flashes of light you see when you rub your eyes are called "phosphenes."
  • The first pieces of gold at Fort Knox arrived by mail.
  • You make approximately a teaspoon of tears per hour.
  • Only two national flags have the color purple on them.
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