 150).Doug Jones, a visiting scholar in anthropology at Cornell University, said that human evolution's trend toward neoteny may have been caused by sexual selection in human evolution for neotenous facial traits in women by men with the resulting neoteny in male faces being a "by-product" of sexual selection for neotenous female faces.Jones said that this type of sexual selection "likely" had a major role in human evolution once a larger proportion of women lived past the age of menopause.