Stem Cells

How Stem Cells Work. ‘Inside an embryo no bigger than the period at the end of this sentence are dozens of stem cells. Initially, these cells are blank slates, meaning that their fate is undecided. But they have great potential. These are pluripotent, which means that they can develop into every cell, every tissue and every organ in the human body.’

Update: Stem Cells May Be Key to Cancer. ‘One day, perhaps in the distant future, stem cells may help repair diseased tissues. But there is a far more pressing reason to study them: these cells are the source of at least some, and perhaps all, cancers.’

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