I said, "Did anyone think it might not be a good idea to use cells that can live inside human beings?"

Great levels of success and potential have been shown from research using adult stem cells.

At the time, a system using solar cells and batteries was considered too heavy.

The practice of using adult cells is specifically approved within the state's bill.

We have the alternative of using human stem cells to achieve the same result.

Cell is an artificial life form created using cells from several of the main characters in the series.

Much success and potential has been demonstrated from research using adult stem cells.

Some scientists want to use stem cells to study how genes cause disease.

He has been able to produce insulin using stem cells.

Later, still before the Happening, it became possible to use complete cells to make clones.