Antidepressants have strong impact on male brains — with the nature of the impact depending on the age of the subject — but ...

A study from Okayama University links finger length in rats to sexual behavior and preference, offering new insights into ...

Exposure to endocrine-disrupting chemicals in early life, including during gestation and infancy, results in a higher ...

A new study shows that a rat’s finger length ratio predicts sexual activity and scent preference—offering clues about human sexuality.

Females "tend and befriend" rather than "fight or flee." Higher stress hormone responses explain their higher incidence of ...

Exposure to endocrine-disrupting chemicals in early life, including during gestation and infancy, results in a higher ...

Jordan Bani-Younes from the Kansas Humane Society brought Invierno and Otoño by KSN News at Noon for Thursday’s Pet Project ...

Rats are opportunistic foragers who get into trouble a lot. They like to chew, which tends not to end well for them. In our ...

Consuming alcohol impacts decision-making -- that's a widely-known fact. However, a recent study at UTEP found that gender ...

Sexual behavior and sex preference in animals and humans are shaped by complex interactions between the brain and hormones during early development ...

Female flowers have a little swelling at their base. That swelling will develop into a fruit if the flower is fertilized by pollen from a male flower.

The remaining 70% of primate populations showed no clear-cut dominance of one sex over the other. This study may have shown different results to previous research because it assessed individual ...