Even the dumbest stem cell is smarter than the smartest neurobiologist in growing adequate concentrations of cells.

The first misconception is that embryonic stem cell research is not legal. The fact is, embryonic stem cell research is completely legal. Research on embryonic stem cells has taken place for years.

The Stem Cell Research Enhancement Act would expand research on embryonic stem cells by increasing the number of lines stem cells that would be eligible for federally funded research.

I was working with stem cells as part of a NASA programme. We realised that the science of stem-cell proliferation was also fundamental to cancer cells when cancer enters the phase of metastasis.

Adult stem cells tend not to form tumors.

Stem cells are probably going to be extremely useful.