An increase in condomless sex in pre-exposure prophylaxis users is predictable as preventing HIV is the key motivator for condom use among gay and bisexual men.
The hyper-sexual world of music videos fascinates so many viewers because it promises that sex is all-around, fast and largely free of charge, writes Rob Brooks.
The motivation to play violent video games is closely connected to people’s desire for sex, write Michael Kasumovic and Tom Denson.
Imagine how easy life would be if you could produce offspring without a mate, write Angela Crean, Nathan Burke and Russell Bonduriansky.
A new range of condoms coated with an antimicrobial chemical are unlikely to offer any more protection from STIs than your average condom, writes Bridgit Haire.
Scientists are a step closer to discovering what determines the sex of Australia’s iconic platypus and echidna, after an international study unravelled new genes contained on mammalian Y chromosomes.
Research on how alcohol affects the behaviour of monogamous prairie voles is providing insights into sex differences in the brain functions of humans, writes Rob Brooks.
Conflict and cooperation between the sexes will be discussed at an unprecedented gathering of economic experts and evolutionary biologists at UNSW next week.
Perhaps the explanation for why women orgasm is as simple as it's a pleasant reward for doing what's good for the species, argues Rob Brooks.
Young people across NSW are being asked to speak up about sex, partying, alcohol and drugs for a Centre for Social Research in Health survey.