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Meat eaters brains enhanced mental capabilities: The
traditional dietary explanation for the advancement of certain Hominoids over others is a shift from nuts and berries to meat.
The higher energy fuel of that protein source is thought to account for the enhanced mental capabilities that require nourishing
larger brains. Cut marks on animal bones suggest that humans had mastered meat-eating, perhaps by scavenging carcasses.
Many researchers have assumed that this high-quality food fueled the rise of H. erectus also, enabling it to process food
with smaller teeth and guts and nourishing larger brains and bodies. And with more food to go around, females began to catch
up with males in size.
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