Somatic evolution in cancer - Wikipedia
Further, viable transgenic mice with mutated proto- proto- and proto- and even with hypothetically cooperating combinations of proto- and proto- have been constructed, and some are commercially bred ("OncoMouse-TM shortens the path to knowledge ...," Dupont Co., Wilmington, DE, 1990) (236).
Howard Wilbert Nowell - Wikipedia
However, modern research is now questioning this hypothesis with results from different academic sources confirming the presence of a group of recurring symbols in Palaeolithic art, suggestive of sharing a common meaning, and therefore being considered a proto-language.
I predicted in 2002 that "the melatonin hypothesis" was based on recall biasand would soon be discredited, and now one majorstudy found no relationship (JNCI 96: 475, 2004).