When did human start eating meat?

In 1999, researchers found bites in the bones of an animal dating back about 2.5 million years, but no one was sure that they were caused by human teeth, because they had not been found. Which group has the appropriate teeth set.

A recent analysis conducted by Professor Peter Ungar of the University of Arkansas (USA) said that perhaps the first Homo members had sharper teeth than the previous ancestor, Australopithecus afarensis - the birth group. out the famous Lucy fossil set.

He found that Homo 's nasal lines were slightly steeper than Australopithecus afarensis (this group specialized in eating tough foods like leaves and stems but did not know to eat meat).

But the peaks of Australopithecus afarensis are not only shallower than Homo but also more abundant than chimpanzees, while these animals mostly eat soft foods like ripe fruits. This shows that the Homo group has teeth adapted to tougher food than Australopithecus afarensis or chimpanzees.

Professor Peter Ungar concludes: ' To eat meat requires a set of teeth suitable for the ability to bite rather than chewing. The ability to bite is determined by the slope of the crown. The steeper the face, the more tough food will be handled. It is clear that the first Homo knew how to eat meat . '

NGUYEN SINH