While many studies have looked at possible evolutionary links between men's strength and sexual behavior, a Washington State University study included data on women with a surprising result. Women, as ...

Using artificial intelligence technology and mathematical modeling, a research group led by Nagoya University has revealed that human behavior, such as lockdowns and isolation measures, affect the ...

From popular culture to the dark corners of the internet, there are many claims about “fundamental” differences between people on the basis of gender, racial or ethnic groups, sexuality, or other ...

Within-group cooperation (i.e., among closely related individuals), is to varying degrees observed among a significant number of animal species. However, peaceful encounters and cooperation between ...

Our behavior seems to be built by evolution, and it's sometimes paradoxical. To borrow from the hard sciences, our behavior exhibits complementarity. We are largely felicitous to our family and ...

Scientists have traced kissing back to early primates, suggesting it began long before humans evolved. Their analysis points to great apes and even Neanderthals sharing forms of kissing millions of ...

Human behavior is a tapestry woven from culture, environment, and biology. Among the most intriguing aspects of this tapestry is risk-taking—those bold, sometimes reckless decisions that can lead to ...

Stories centered around true love's kiss might be tales as old as time. And, according to a new study, kisses might even have been around before humans walked the earth. Humans kiss each other ...