Humans
Lying cuttlefish tells rival males he’s a girl
Want to court a female without letting other males know you're doing it? For the mourning cuttlefish, this is no problem
News
Humans
What a way to go: prehistoric turtles died during sex
News
Health
You may carry cells from siblings, aunts and uncles
News
Environment
Menstrual huts protect Dogon men from cuckoldry
News
Humans
Innocent blushes share same pattern as sexual flushes
News
Health
‘Gay cure’ psychiatrist apologises for flawed study
News
Humans
Why gay marriage divides the world
Opinion
Humans
Eau de BO: The allure of sweat
Features
Humans
Love machine: Engineering lifelong romance
Opinion
Humans
Belle de Jour casts her forensic eye on sex
The scientist and former call-girl blogger Brooke Magnanti has written a new book that challenges our notions about sexuality
Opinion
Health
Yes鈥� yes鈥� no? G spot finding fails to convince
News
Health
Ovary banks: Freezing the biological clock
Features
Health
When the biological clock never ticks
Opinion
Health
‘Untreatable’ gonorrhoea joins the infectious bogeymen
Opinion