Humans
When men shouldn’t be in want of a wife
Tying the knot assures men that their wives' children are their true heirs and gives women confidence that their kids will benefit from a decent inheritance
News
Health
2009 review: Sex at the noughties’ end
News
Humans
Ducks fight the battle of the sexes in their genitals
News
Humans
Sex and shopping – it’s a guy thing
Features
Humans
How male bedbugs avoid getting shafted
News
Humans
Women on testosterone only think they’re macho
News
Humans
Homosexual selection: The power of same-sex liaisons
Features
Humans
Guapa, it’s your genetic ancestry I love
News
Humans
Better-looking sportsmen more likely to win
News
Health
Limp reception for female ‘libido drug’
A drug dubbed 'female Viagra' that boosts women's libido may have come a step closer, but is it really necessary?
News
Health
Breathing new life into ‘old’ eggs
News
Humans
Good vibrations get a club-winged manakin going
News
Humans
Crabs trade sex for protection
News
Humans
Fellatio keeps male fruit bats keen
News