He sent the two kinds of sperm swimming down a glass tube through ever-thicker albumin barriers. The sperm with the X chromosome had a larger head and a longer tail, and so, he figured, they would get bogged down in the viscous liquid. The sperm with the Y chromosome were leaner and faster and could swim down to the bottom of the tube more efficiently. In the late s, Ericsson leased the method to clinics around the U. Instead of a lab coat, he wore cowboy boots and a cowboy hat, and doled out his version of cowboy poetry. People magazine once suggested a TV miniseries based on his life called Cowboy in the Lab. Limp Wrist. To them, the lab cowboy and his sperminator portended a dystopia of mass-produced boys.
We earn a commission for products purchased through some links in this clause. Bitches are bitches because of art A new study claims that bitching and backstabbing is simply part of women's evolutionary make up. Oh absolute. Well now, psychologists Tracy Vaillancourt after that Aanchal Sharma have offered an account that says this isn't just critical for its own sake. Vaillancourt after that Sharma claim that mean girl action dates back to the caveman age, when women had to find non-physical ways to compete with other females to score a suitable male en route for breed with. Professor Anne Campbell agrees with their theory: It's always been more important for women to adjourn alive than men because a baby's life expectancy is inextricably linked along with its mother's, says Campbell.
Daughters of second-wave feminism came of become old and chose new paths unavailable en route for their mothers: delaying marriage and children , pursuing higher education, joining the workforce , and assuming independence after that identities outside of the home. The equal education promise of Title IX was coming to fruition. For add than a century, the median marriage ceremony age for women swung between 20 and 22, but in , it nearly jumped to By it reached Postponing marriage and kids liberated women sexually; it also gave them increased economic power and cement their entry into male-dominated careers. Civility of HarperCollins Publishers The forward action of the 90s seemed to assemble on the 80s, a decade of hallowed female pioneers in diverse fields. Sally Ride traveled to space. Geraldine Ferraro secured the vice presidential appointment of a major political party.