by Ricki Lewis
FEATURE	Stem Cells... An Emerging Portrait Struggling to sharpen the lines that define embryonic stem cells Email: Ricki Lewis - rlewis@the-scientist.com The Scientist 2005, 19(13):14 Published   4 July 2005

From the noise that's been made about them, stem cells sound as if they're poised to change the face of biomedicine. That will only be true, however, if researchers can figure out just what they are, and that portrait is just emerging, as the story on the following pages demonstrates. Find out what it takes to keep embryonic stem cells happy in culture onpage 18, and follow along as researchers debate the potential of adult stem cells onpage 20. Finally, Stephen A. Bent discusses the omnipresent legal and ethical challenges involved in stem cell use onpage 22.

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