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The article reports on the claims of PrimeGen, a biotechnological company based in Irvine, California, that it has used carbon nanotubes to reprogram adult human cells to an embryonic-like state, a breakthrough that removes the elevated risk of cancer that blights other techniques. PrimeGene researchers used the nanotube delivery system to introduce genes into human testicular and retinal cells, and PrimeGene has reported that they were quickly taken up by an impressive 80% of the cells. It is reported that PrimeGene announced an alliance with Unidym, based in Menlo Park, California, which makes the nanotubes.

The article reports on the result of a research study about the condition of human embryonic stem cells transplanted into the brain of an irradiated rat, conducted by researcher Charles Limoli and colleagues from the University of California in Irvine, California. The study revealed that the human embryonic stem cells have survived in the brain of the rats. It showed that the animals who receive the cells performed much better in a task of recognizing place.