You're holding two wrinkly human brains, each dripping in formaldehyde. Look at one and then the other. Can you tell which ...

Researchers have discovered a distinct cluster of brain cells in mice that behaves like an on and off switch for sex-specific social behaviors, turning on permanently in females but remaining quiet in ...

Are male brains really that different from female brains? Does it matter? Why should anybody care? More than 100 years ago, a German neurologist named Paul Julius Möbius published a book titled Über ...

New evidence has found that male brains really may shrink faster than female brains with age. Among 4,726 participants with healthy cognition, brain scans have revealed "modest yet systematic sex ...

You're holding two wrinkly human brains, each dripping in formaldehyde. Look at one and then the other. Can you tell which brain is female and which is male? You can't. Humanity has been hunting for ...

Using a roundworm model, researchers have found a collection of genes that change how male and female brains develop and stimulate the start of puberty. This genetic pathway might act similarly in ...

A new study has uncovered significant differences in how male and female mice process threats, even as they exhibit similar behavioral responses. The discovery suggests that including both male and ...

DALLAS — A few years ago, at the urging of his wife, Greg Johnson scheduled the first checkup of his adult life. “I didn’t even have a doctor,” says the 49-year-old Corinth, Texas, businessman, who ...

Joel and her team poured over the brain scans of more than 1,400 men and women to reach the conclusion. “Although there are sex/gender differences in brain structure, brains do not fall into two ...

Neuroendocrinologist Catherine Woolley and her team at Northwestern University were studying synaptic modulation in female mice when they ran into some trouble. They were attempting to replicate ...