The International Olympic Committee claims that requiring sex testing for every female athlete will "protect women," but ...

Think about a person in your life who has always needed to be the most important one in the room. Maybe it was a parent, a ...

A yellow band across a wing might look like a simple flourish. In the South American rainforest, it can mean survival.

From eye color to dimples, the traits that make us unique are rooted in the fascinating science of genetics. Our genes, inherited from both parents, interact in complex ways to determine our physical ...

Galapagos daisies evolved similar jagged leaves through different genes. This shows evolution can reach the same result in ...

Today, crossbred animals are included in the evaluation system. Tools are now in place to better reflect how they are bred ...

Despite decades of research devoted to this personality disorder, no one was sure whether it was caused by genes, environment ...

It's the classic nature-versus-nurture debate, and twin studies are among the best ways to untangle the complex knot of ...

The emergence of neuropsychiatric disorders, conditions that affect various brain functions and behaviors, is known to be ...

When a gene is turned on in a cell, it creates a ripple effect along the DNA strand, changing the physical structure of the ...

Endometriosis, a chronic inflammatory disease that affects approximately one in ten women of reproductive age—around 190 ...