nina jablonski

We know that humans once had thick fur! But for some reason we lose it.

Based on the study of evolution, we know that humans also had bushy fur. However, how they dissipate is still an unexplained unknown.

It is very rare to see a man with a red beard and the accompanying red hair, it is only about 1% to 2% of the population.

Scientists believe that the need to keep cold heads is the reason why humans become the only