 The results of the first two clinical trials were published in the Lancet in 2012, with a follow up paper in 2014,which provided the first published reports of the long-term safety and possible biologic activity of pluripotent stem cell progeny into humans.In 2007, Lanza's article "A New Theory of the Universe" appeared in "The American Scholar".The essay addressed Lanza's idea of a "biocentric universe", which places biology above the other sciences.