Bonds between same-sex individuals help apes and monkeys to manage conflict and strengthen alliances, especially in dry ...

In truth, it is not a paradox. The animals involved all seem perfectly eager participants in heterosexual behaviour, as well, so their reproduction is not compromised. It is, though, a puzzle—for ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

Biomarkers associated with cognitive impairment differ between men and women with chronic kidney disease, according to data ...

Nonhuman primates like bonobos and chimpanzees might engage in same-sex sexual activities to strengthen bonds, particularly ...

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

Alzheimer's disease (AD) is a serious neurodegenerative disease largely affecting older adults. Apart from age, it also shows sex-based differences, with women being more at risk. However, the origin ...

UN experts warned that a recently approved bill in Peru that eliminates the concept of gender from legislation and public policy frameworks could significantly undermine the country’s human rights ...

The authors even anticipated the connection to sexual dimorphism, noting that these species have more dominance-related ...