Many men were concerned about climaxing too quickly or lacking interest in sex.
Research suggests that men who are exposed to cultural images of traditional masculinity have a greater vulnerability to sexual dysfunction than those who aren't.
Our new research has discovered what gives human sperm the strength to succeed in the race to fertilise the egg – and it's all to do with their tails.
And it needs to wholeheartedly attack the foundations of western philosophy.
Chicken or rooster? This bird is both – female on the left (dark feathers), and male on the right (white feathers, with larger comb and physique).
Mike Clinton (Roslin Institute)
Birds have some of the most amazing sex differences of any animal. They can control the sex of offspring, and even produce rare half-male, half-females. And their sex genes and chromosomes are quite different from ours.
Beauty can mean more opportunities – but can it also influence values?
Beautiful people tend to lead more charmed lives. Could their attractiveness also color their views on issues like abortion, premarital sex and gay marriage?
We’re having less sex than we used to.
Australians report having sex once or twice a week, on average, but there are many variables. And that's assuming people's estimates are accurate.
Sex should never hurt.
Sex isn't always straightforward – especially not when you first start 'doing it'. If you experience pain 'down there' after sex, you may need to have a medical checkup.
The Mark 1 robot resembles actor Scarlett Johansson.
Intimacy with robots is closer than you think, and cities are already fighting the advent of sexbot brothels. Yet society has barely begun to explore their implications.
What’s your move?
A new study reveals how women's experiences as teenagers shapes the way they deal with hookup culture at university.
Sex with robots will increase, as technological developments produce new love interests.
Developments in technologies like robotics and virtual reality are opening new possibilities for sexual experiences.
The Conversation has access to top academic experts, and we want them to use their knowledge to answer questions from teenagers.
A senior couple being intimate.
Studies confirm what many older adults already know: They are sexual. And, studies also suggest that sex is good for them. But health care providers are reluctant to talk to them about the risks.
Children need be able to identify potentially harmful sexual behaviours, including sexting, from a young age.
Australia is the world centre for sexual deception in plants, tricking wasps along the way.
High time to talk about consent.
Gender and sexuality can help understand consent – but there's so much more to consider, when drugs are involved.
In this 2012 photo, grandmother Janet Kitheka, 63, collects her adopted “granddaughter” Lucy, 13, at the end of the school day in the yard of the Hot Courses Primary School, in the village of Nyumbani which caters to children who lost their parents to HIV, and grandparents who lost their children to HIV in Kenya.
(AP Photo/Ben Curtis)
Research shows that Aspirin could reduce the number of HIV infections in women at high risk for HIV, such as Kenyan female sex workers.
Michigan Democrat Rashida Tlaib became one of two Muslim women to be elected to Congress in the recent midterm elections. How voters gender-identify has an impact on how they vote.
(AP Photo/Paul Sancya, File)
Men and women are not unified voting blocs. We must consider how voters identify themselves in terms of gender to truly understand how women and men think about politics.
A sign denouncing transphobia is held up in front of the U.S. Supreme Court at a protest in June 2016.
Donald Trump is seeking to amend laws that prevent discrimination against Americans based on their sex. It's all just another attempt to fire up the Republican base for the mid-term elections.
The split gill mushroom
Schizophyllum commune, a fungal species that includes more than 20,000 sexes.
There is more to sex than male and female. For some species there are hundreds and even thousands of sexes and mating types.
Society teaches young people to avoid saying 'no', so they need more support to navigate the awkwardness of sex.