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What are stem cells? - Craig A. Kohn

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Is personalized medicine for individual bodies in our future? Possibly -- with the use of stem cells, undifferentiated cells with the power to become any tissue in our bodies. Craig A. Kohn describes the role of these incredible, transforming cells and how scientists are harnessing their medical potential.

What is the source of embryos used for embryonic stem cell research? What would have been the outcome for these cells had they not been used for research? Why do some people consider this to be unethical while others do not?

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About TED-Ed Animations

TED-Ed Animations feature the words and ideas of educators brought to life by professional animators. Are you an educator or animator interested in creating a TED-Ed Animation? Nominate yourself here »

Meet The Creators

  • Educator Craig A. Kohn
  • Animator Qa'ed Mai
  • Narrator Michael Molina

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