اولین انسان سفید پوست چجوری به وجود اومد!؟❌😱 تغییر رنگ پوست انسان های اولیه از سیاه به سفید❗
Gooneh Var · 1,698 words · 8 min read · EN

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In 1903, in Somerset, England, a group of workers were digging a canal when they pulled a human skeleton out of the ground. The skeleton they found was about 1,000 years old . It was almost complete, and when scientists examined it in 2018, they discovered something that plunged the entire field of anthropology into complete silence. This man
was the oldest known inhabitant of Britain, known today as Cheddarman. His skin color was dark brown to black and his eyes were blue. This combination was really confusing for scientists, but it was pretty clear to D. The first humans to live in Britain were nothing like the people of Britain today. This raises
a big question. How did human skin color evolve from a time when all humans had dark skin to the wide range of colors we see today? Why did this happen at all? The answer to this question does not begin with race or geography. It doesn't even start with sunlight. It all started with a molecule
. Melanin is a pigment produced by specialized cells called melanocytes in the deepest layer of the skin. Imagine having billions of microscopic shields in your body that absorb ultraviolet rays before they can penetrate your skin and cause damage . The more melanin in your body, the darker your skin and the more protection
you have from the sun. In most mammals, hair performs this function. Hair acts as a physical barrier against ultraviolet rays. That's why the skin under their fur and breast hair is very light. They don't need to produce a lot of melanin because their hair already blocks sunlight. But humans are losing their body hair, and the reason for this is
directly related to the way we hunt . About 2 million years ago, Homoerectus developed a new hunting method called endurance hunting. In this method, humans pursued prey not with speed but with endurance and tirelessness. They ran for hours under the direct African sun until the animal was so exhausted that it could no longer run away. But there was a problem. The
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