samzenpus from the congen-circulatory-sphincters dept.
jcr writes "Medical researchers in Britain have succeeded in growing a heart valve from adult stem cells taken from bone marrow. The research is being reported in the journal of the Royal Society today. Growing a heart value from your own cells means that tissue rejection isn't an issue."
Blessed be those who initiate lively discussions with the hopelessly mute,
for they shall be known as Dentists.