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 ...

Seeing blue through the brown Melanin – made up of melanocyte cells – is naturally dark brown in color but has the ability to absorb different amounts of light, depending on how much of it ...

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 ...

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 ...

Brown eyes result from an abundance of melanin, whereas blue eyes result from reduced or absent levels of melanin. The eyes appear blue for the same reason the sky does — blue light is scattered ...

Melanin absorbs light, so when there is a lot of it present, it can absorb more and appears darker. Hence, why darker hair, skin color, and yes, even eyes, have larger amounts of melanin present.

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.

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.