Though we can't compile all the facts here, this list of mind-boggling ... (This takes into account that human cells, unlike chimpanzee cells, have two copies of the genome.) ...

Being fruitful, they multiply into a ball of many cells, a shimmering sphere of human potential. Scientists have long dreamed of plucking those naive cells from a young human embryo and coaxing ...

Freezing medium: 90% fetal calf serum, 10% DMSO (sterilized, 0.22-μm filter) HSF-6 freezing medium: 90% fetal bovine serum (heat-inactivated; HyClone), 10% DMSO (sterilized, 0.22-μm filter) 2% ...