The only explanation that specialists can offer is evolutionary. The thick layer of hair that covered our remote ancestors served several functions, including protection against cold, heat and sunlight. But when they assumed the upright posture , the sun shone more strongly on the head and less on the rest of the body. In this way, the body hair lost its function and began to thin, while the filaments of the head began to be more necessary and grew with more vigor, which gave rise to hair.
Why does the hair on the legs grow less than the hair on the head?
Oldest Known Neanderthal Family Discovered
They have identified the remains of a father, his teenage daughter and two 59,000-year-old relatives in a cave in Russia thanks to DNA.
Are we subjected by our genes?
Are we what we are because of our genes or because of the environment in which we have been raised? This question generates a heated debate among scientists, the answer to which is often highly politically charged.
Metahumans exist and are among us
There are people who, despite being genetically programmed to get sick due to a mutation in one of their genes, do not show symptoms or get sick.
Why do sea dragons look so weird?
They appear to be adorned with leaves, they have no ribs or teeth, and their spines are twisted. The reason for its appearance could be the lack of some genes.
This is how little separates us (genetically) from chimpanzees
The human genome has one chromosome less than that of the great apes, chimpanzees, orangutans and gorillas: they have 24 pairs and we have 23.