Men lose their Y chromosome as they age. Scientists thought it didn’t matter – but now we’re learning more
Men tend to lose the Y chromosome from their cells as they age. But because…
Hundreds of genes act differently in the brains of men and women
Differences between men and women in intelligence and behaviour have been proposed and disputed for…
Why do humans have near-equal numbers of male and female babies, unlike many other animals? A new genetic study looks for clues
We know that boys and girls are produced in much the same frequency. But how…