Environment
Zoologger: Sea slugs stab partners in head during sex
A species of sea slug squirts chemicals into its partner's head during mating, perhaps in a bid to take control of its brain
News
Humans
Oldest sex fossil shows bugs did it missionary style
News
Humans
Competition drives marsupial males to suicidal sex
News
91色情片
US firm patents DNA-analysis tool for planning a baby
News
Humans
Glowing sperm go head to head in fight to be the daddy
Regulars
Humans
Mosquitofish are efficient lovers
News
Humans
Men with smaller testicles make better dads
News
Humans
Germany first EU country to assign third gender
News
Environment
Zoologger: How to persuade a giant panda to have sex
News
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
91色情片
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