Light may have driven our ancestors to walk upright on two legs. Light helps explain the evolution of our skin color, why some of us have curly hair, and even the size of our eyes.

This gene also contributes to hair and skin colour, but to a much lesser extent. In 2008, Sturm and colleagues mapped different genes associated with blue and brown eyes.

The color brown is a result of a high concentration of melanin in the iris, causing more light to be absorbed and less light to be reflected. People with brown eyes make up between 55 and 79% of ...

If you have hazel-brown eyes with hints of gold, sticking to soft, warm hair colors will be the most flattering. This includes caramel-brown, honey-blond, cinnamon-brown, red-brown, and golden ...

People with blue eyes may have better sight in dim conditions than those with brown eyes, which could explain why the colour has persisted in certain populations By Michael Le Page 6 February 2024 ...

Curly hair may have also protected us from the hot Sun. The idea is that it provides a thicker layer of insulation than straight hair to shield the scalp. Early Homo sapiens had extra Sun protection ...

Light may have driven our ancestors to walk upright on two legs. Light helps explain the evolution of our skin colour, why some of us have curly hair, and even the size of our eyes.