"Because competent mating did not occur," the zoo statement said, veterinarians anesthetized both pandas on Saturday, collected semen from Tian Tian and inserted it into Mei Xiang's uterus. [previously 1 2 3]
Women's rights: What's in it for men? - "Women in rich countries largely enjoy gender equality while those in poor countries suffer substantial discrimination. This column proposes an explanation for the relationship between economic development and female empowerment that emphasises changes in the incentives males face rather than shifts in moral sentiment. Technological change that raises demand for human capital may give men a stake in women's rights." [more inside]
Americans Not Making Time for Making Love according to Durex® [note: PR and attendant conflicts]. "Americans are having a lot less sex than just about everyone else in the world, and when they do, less than half are fully satisfied." Also from the 2007/2008 Durex® Sexual Wellbeing Global Survey: Where is sex safer?
Female X chromosome 'cracked' - "The discovery, by an international consortium of scientists, shows that females are far more variable than previously thought and, when it comes to genes, more complex than men." Nature reports two new studies; one on the complete sequencing of the X chromosome for humans, which sheds some light on how sex evolved and how women differ from men, and another on how women express many genes from X chromosomes previously thought dormant.