Environment
Monogamy evolved to keep baby-killers away
Males and females of most mammal species don't stay together for life, but many primates do. We now have a good idea what drove them to evolve monogamy
News
Health
Men’s sperm quality decreases at age 35
News
Environment
First evidence of what peahens look at in a mate
News
Environment
Chimps have experimented with sex more than humans
News
Humans
Voice almighty: Decoding speech’s secret signals
Features
Humans
Control sex for humanity’s future
Culture
Humans
Designer babies are on the horizon but aren’t here yet
Opinion
Humans
First baby born after full genetic screening of embryos
News
Humans
Zoologger: Hipster toad has weaponised moustache
News
Humans
Does banning prostitution make women safer?
Most of what we think we know about sex trafficking is wrong, says Laura AgustÃn, who has spent 20 years investigating the sex industry
Opinion
Humans
Mice lacking serotonin swap sexual preferences
News
Environment
Zoologger: The tiny insect with the massive sperm
News
Humans
Brutal battles of animal sexes
Books & Arts
Environment
Zoologger: Picture-winged fly quenches thirst on sperm
News