Researchers found that male and female fruit flies have very different sexual preferences when it comes to mating.
Researchers found that when the toxoplasma parasite infects mice, the mice become fearless in front of cats.
Why do ladies love designer handbags? Scientists say it might be because expensive purses act as a repellant by discouraging other women from stealing their partners.
Previous studies revealed that promiscuity alters DNA and boosts immunity in female mice. Now, new research reveals that having more sex also helps mothers protect their babies from being killed.
A new study is reporting that women tend to wear red or pink during days where they are the most fertile.
Researchers reported that even if sugar consumption does not lead to weight gain, it could cause biological changes.
It seems that men also need to think about their biological clock. While previous studies have shown that sperm count and quality deteriorates with age, a new study reveals the exact age the average man's reproductive potential starts to decline.
New research reveals that men behave better in front of women. What's more, researchers found that men do more good deeds in front of more attractive women.
Women who give birth to multiple babies after IVF treatment are 44 percent more likely to develop breast cancer than those giving birth to singletons or who remain childless, a new study suggests.
In a new study, researchers concluded that men started performing oral sex in order to keep their female partners loyal.
A new study reveals that woman have more orgasms when they have sex with men they rate as more masculine and dominant. The same study also found that women reach climax more often when they're in bed with attractive partners.
Researchers found that the older a father is when he reproduces, the more likely his children will have Noonan syndrome.
Could your name be a product of evolution? A new study analyzed the most popular baby names from the last decade to see if there is a link between the sounds in a name and the sex.
Researchers discovered that a specific calcium transporter could be a potential new target for drug treatments options aiming to prevent the spread of malaria.
Orthodox and ultra-Orthodox Jewish boys and girls spend their youth nearly entirely separated from the opposite sex.