Breakthrough: Stem Cells Have Been Created Without Embryos

Scientists have made a startling breakthrough that allows them to "reprogram" ordinary skin cells to act like embryonic stem cells.

Stem cells are considered the body's ultimate master cell, able to become almost any other kind of cell, such as heart or lung cells. They have thus been called "pluripotent," meaning they have the ability to differentiate into other cell types. Continued...


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