In which case a better title would be "Shared Intentionality is What Makes Us Human", as plenty of species cooperate, whether deliberately or otherwise. It's

In which case a better title would be "Shared Intentionality is What Makes Us Human", as plenty of species cooperate, whether deliberately or otherwise. It's an interest idea, nonetheless, if true. One thing which distinguishes us from other animals, and is shared by all human cultures, is our ability to control and use fire.