Genes associated with male reproductive biology appear to be under relaxed selective constraint in a primate species with low sperm competition.

However, the extension of eligibility and rising demand has meant women in time-sensitive situations can face increasing ...

Dating apps and sex-segregated online communities are intensifying resentment between the genders, while left-wing theorists increasingly adopt family abolition as a rallying cry. Is there a way out ...

Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...

Female fertility depends on the successful growth and maturation of eggs (oocytes) within ovarian follicles. Within these ...

From the moment you step on Citadel Station in System Shock, you'll find yourself going toe to toe with a variety of Cyborgs, Mutants and Robots all trying to rip you limb from limb. To defend against ...

Looking for every hidden door code in System Shock? You've come to the right place. Below we'll list all of the code locations you'll need to progress through Citadel Station. Open the vent, head ...