Buckyballs, the spherical carbon molecules important to many current nanotechology projects (and much of your future gadgetry), has been found to cause brain damage and affect liver cells in fish. While the doctor running the toxicity experiment cautioned that the discovery was “a yellow light, not a red one,” the information does rekindle awareness of the potential dangers in creating new molecular structures that interact with our own tissue. Because even if buckyballs and carbon nanotubes lead to discoveries that make us a species of immortal superhumans, what kind of eternal utopia would it be if all the fish were retarded? Not one I’ll be levitating cupcakes with my mind in, for sure.