Eric Walker added Differences between women and men and Treatment of women and Stress leads to decline in male births and Big vagina energy: the return of the sheela na gig | International Women's Day | The Guardian to Sex and gender in humans, and added Sex and gender in humans to Modern humans (paleoanthropology) and Sex and gender

Eric Walker added a number of links to Differences between women and men, and added Differences between women and men to Sex and gender in humans and Sex and gender

Eric Walker added Differences between women and men and Sex and gender in humans to Sex and gender, and added Sex and gender to Biology

Eric Walker added a number of topics and a number of links to Biology, and added Biology to Nature and Science, engineering, mathematics and the humanities