Search Results for: nature

The real, but oft-ignored risks of adult stem cell treatments

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What’s the real story on adult stem cells? Do they really have little to no risk? As a self-proclaimed fan of stem cells, including adult stem cells, I often find myself writing and talking about them to a large, diverse audience. I’ve become a stem cell ambassador of sorts. However, I am also a realist …

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Who discovered stem cells & when? Some fun science history

who discovered stem cells, James Till and Ernest McCulloch

Who discovered stem cells? It goes back further than you might think. Is it even possible that one scientific team all by themselves discovered something so ubiquitous as stem cells? In theory yes. However, after research including this in Cell Stem Cell, I believe that no one group discovered stem cells. Also, if you ask the …

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Why aren’t there vertebrate super pygmies?

Why aren’t there are super pygmy vertebrates? For most vertebrate animals, their early embryonic development unfolds in extremely congruent fashions. Embryo growth is stem cell-dependent and in large part, despite different gestational periods, the molecular and cellular machinery that controls vertebrate development is almost perfectly conserved. Yet at maturity vertebrates end up with a range …

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Seven sins of scientists part 2: paper or grant killing

I started my series on the sins of scientists last week with a piece called “Failure to Cite”. “Failure to cite” refers to the practice whereby some scientists choose not to cite the papers of their competitors, to make their own seem more novel, or as payback to folks they consider their “enemies”. In today’s …

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Vatican flunks Pepsi Challenge on Stem Cells?

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It’s a confusing time at the Vatican, which arguably has an international stem cell scandal of its own making on its hands. What the heck is going on? In an embarrassing move, they organized a stem cell conference for this year and then abruptly cancelled it, with the reason being that they had originally invited …

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Celltex versus University of Minnesota: support for Elliott and Turner

Recently, there has been a brewing controversy surrounding a journal called American Journal of Bioethics (AJOB), a company called CellTex, a bioethicist named Dr. Glenn McGee who founded and used to run AJOB until he recently resigned, and two University of Minnesota professors, Drs. Carl Elliott and Leigh Turner who have been publicly critical of …

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SEC rules in favor of Pepsi on bogus stem cell propaganda complaint over 293 cells

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What’s the deal with the Pepsi stem cell myth? Does Pepsi have stem cells or ingredients from stem cells in it? No. Does the Pepsi corporation use embryonic stem cells to make Pepsi? No. These are myths. Nonetheless, pro-life extremists have been targeting Pepsi because of these fake connections between Pepsi and stem cells as …

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