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Would you eat a steak grown in a laboratory? Science writer Michael Specter examines the progress scientists have made in developing test-tube meat. "Depending on what your definition of any sort of life is, this is as fundamental as any animal is," he says.
For the first time, scientists have created fertile eggs and healthy offspring using embryonic stem cells. The experiments in mice raise the possibility of artificial egg production and new infertility treatments for humans someday.
In this episode, we discuss the role stem cells play in the present world of medicine and how they are used in current medicine.