When humans first lived on Earth, did they have a variety of skin colors like we do today? Or did all the first humans have roughly the same skin tone?

In this video, let's take a simple-ga look at the human evolution story behind our skin color.

Early humans, who lived in Africa about 200,000 years ago, benefited from having dark skin in response to the high UV radiation environment there.

So why did humans leave Africa and move to areas like Europe and Asia? What is the relationship between skin color and the lack of sunlight there?

In this video:

What was the skin color of the first humans?

Why is dark skin advantageous in Africa?

What is melanin?

How does UV radiation affect our skin?

What is the relationship between vitamin D and sunlight?

How did skin color change after humans moved from Africa to other regions?

Why did genetic changes occur differently in the populations of Europe and Asia?

How did different skin tones develop?

What is the evolutionary story behind skin color?

This means that the different skin tones we see in the world are not due to different human origins. If we go back in human history, our evolutionary family tree reaches a common African origin.

Let's understand this matter in a simple-ga way from a science and human evolution perspective.

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