There are subtle but significant differences in the morphology and biochemistry of the eye between men and women. These ...

Choosing between a male and female cat is an important decision that can impact your life for years to come, given their unique personalities. Watch this video to uncover the truth about the key ...

Among the birds of the world, it is usually the males who have the brightest feathers and the females who are the most drab, ...

Not sure whether your leopard gecko is male or female? Thankfully, determining the sex of one of the adorable little lizards ...

Remove the top male spotty fish and, within minutes, the next-in-line female morphs into the tank s new tyrant charging and nipping rivals while her body quietly begins a weeks-long transition to male ...

Background. Most competitive sports segregate male and female athletes due to biologic differences between the sexes. Because exposure to testosterone in males leads to physiologic advantages in ...

At one time, the female bird lays anywhere between 5 to 15 eggs. Each egg is a marvel of nature. Especially its beautiful color – a combination of teal and blue. Roughly estimated, the newly laid eggs ...

The resolution stated that “biological differences between male and female athletes can create inherent advantage in competitive sports, particularly in categories designated specifically for ...

Objective: To determine if there is a gender difference in the incidence and outcomes of sport concussion. Design: Critical literature review of sport concussion by gender. Intervention: PubMed and ...

A growing share of Americans say there are important differences between the Republican and Democratic parties, according to a new CNN/SSRS poll. The May survey, released on Sunday, shows 81 ...