Stem cell research marches on

While the ethical and political debates rage over stem cells from human embryos, scientists continue to discover how those cells work and what they can do.

About 2 weeks before President Bush made his decision to fund certain kinds of stem cell research (SN: 8/18/01, p. 105), investigators from Johns Hopkins University in Baltimore reported at a meeting that injections of human embryonic stem cells restored some mobility to paralyzed rodents.