And if we study those hunter-gatherer tribes and the Neanderthal, which are very similar to early man, we find out a very curious thing about this world without technology, and this is a kind of a curve of their average age.
Y si estudiamos a esas tribus de cazadores-recolectores y a los Neardertales, que son muy similares a los primeros humanos. Descubrimos una cosa muy curiosa acerca de este mundo sin tecnología.