YOU could be forgiven for thinking that the stem-cell debate is over in the US. President Barack Obama has made good on his campaign promise to lift his predecessor’s restrictions on federal funding for research on human embryonic stem cells (ESCs). Advocates of stem cell research are celebrating (see “Stem cell go ahead comes at the perfect moment”).
New Scientist hates to spoil the party, but the stem-cell debate is not closed – it is about to enter a new and more subtle phase. If US biologists and those who fund their work are to retain popular…
