Opinion: Geron Corp. Stem Cell News Is More Hype Than Science

Opinion: Geron Corp. Stem Cell News Is More Hype Than Science: 'I don't understand [having] human trials because the animal studies aren't very convincing,' David Bennett, a University of Alberta neuroscientist renowned for his experimentation with spinal-cord injuries, told me. He thinks much more lab work should have been done. 'My gut feeling is that it's a scam,' he said.