Drawing on her research into the science of play, evolutionary biologist Carole K. Hooven delves into how testosterone impacts the body and brain, interacting with culture to create differences in human behavior — starting with why boys...

Every cell in the human body has a sex, which means that men and women are different right down to the cellular level. Yet too often, research and medicine ignore this insight -- and the often startlingly different ways in which the two...

If you looked at a male and female brain side by side, would you be able to see any differences?

Gender roles have evolved throughout history and societies, but biological differences are here to stay. How do these differences impact our life and body? And what differences are due to social pressure and education?

Did our psyches evolve? Are human behaviors and thoughts subject to natural selection? If you ask an evolutionary psychologist, they would say yes, nearly every human action has a biological explanation. And yet, many take issue with...

Many neuroscientists believe disorders of the mind will be solved when we understand the differences between the male and female brain. Yet is is frequently argued that men and women are not born but made. Are mental differences between...

Many neuroscientists believe disorders of the mind will be solved when we understand the differences between the male and female brain. Yet is is frequently argued that men and women are not born but made. Are mental differences between...

Many neuroscientists believe disorders of the mind will be solved when we understand the differences between the male and female brain. Yet is is frequently argued that men and women are not born but made. Are mental differences between...