Isn't it possible that different groups of early humans in Africa started using language at the same time?

This was a niche that required the cooperation of all the early humans in a group.

There is reason to believe early humans worried about their teeth even before that first barbecue.

The evolution of a larger brain created a problem for early humans, however.

The early American horse had been game for the earliest humans on the continent.

If one or more bigger early human was keeping the females to himself, this might change when they start making tools.

But fire is also one of the most dangerous phenomena in the world, and this fact wasn't lost on early humans.

The early humans then eventually came to make use of the available stone.

The ability to control fire was a dramatic change in the habits of early humans.

Experts previously thought the earliest humans arrived 700,000 years ago.