How Is My Site?

View Results

Loading ... Loading ...

    Forum Posts by
    Lee Silver

    • More on iPS Cells

      Posted on February 29, 2008

      In the essay “Getting Clear on the Ethics of iPS Cells,” Cynthia Cohen and Bruce Brandhorst assert that ES cells (and by inference, iPS cells) are not totipotent because they cannot produce “the extraembryonic tissues required for the development of the fetus.” This oft-repeated claim – which is accepted as conventional wisdom by most bioethicists – is… Read more