This article discusses the following topics in question format on stem cells:

What are stem cells?

How are stem cells obtained?

What other potential stem cell sources are there?

Why are we and special groups interested in stem cells?

What are the goals of stem cell research?

How will stem cells affect our future?

If you are deeply interested in stem cells for the first time and want to go beyond this article, go to the National Institute site and read their very comprehensive list of frequently answered questions (FAQs). The URL is http://stemcells.nih.gov/info/faqs.asp.

If you are deeply interested in stem cell research, go to: http://stemcells.nih.gov/info/scireport/.

What are stem cells?

The question should be phrased in terms of embryonic stem cells because that is what we are talking about here.

A human embryo is obtained when a woman