Stem Cell Cures Any Closer?

Twelve years after the discovery of the human embryonic stem cell, research is finally picking up steam. Over the past 7 years, the National Institutes of Health have almost tripled its investment in stem cell research to more than $1 billion. CBS News reports the number of embryonic stem cell lines funded by the government has doubled - from 21 to 44 today. More than 200 U.S. companies are researching stem cells. So the report card on stem cell research is promising -- but incomplete.