The Hominid Post — Science, Behavior, Ecology & Culture

Around 4,600 years ago, communities along the Nile turned stone, transport, skilled labor, food, administration, and religious ritual into monuments built for dead rulers. The pyramids were tombs, but they were also public claims about continuity. A king's body had stopped functioning, yet his relationship with the gods, the political order, and the living population was expected to continue.

Ancient Egyptian funerary monuments became important parts of religion, politics, society, and the economy. The preservation of the body was connected to beliefs that elements of the person could survive death and return to it. Death had become more than a biological event. It had become an institution around which thousands of living people could organize their behavior (Huber et al., 2023).

This presents an evolutionary puzzle. Why would natural selection produce an animal capable of imagining its own disappearance? And once that awareness existed, why did humans respond by building tombs, inventing ancestors, creating afterlives, and organizing entire societies around the dead?

The answer may begin with an ability that evolved for a different purpose: imagining the future.

In brief

Human awareness of death probably did not evolve as a dedicated adaptation for creating religion. It may have emerged from useful abilities for memory, planning, language, social reasoning, and imagining the future. Cultural traditions then transformed mortality awareness into stories, rituals, and institutions. Some of those institutions helped people cooperate beyond family and face-to-face relationships. Others reinforced hierarchy, conflict, and exclusion.

Every organism behaves in ways that reduce its risk of dying. A gazelle runs from a predator. An insect avoids harmful chemicals. A primate may recognize that an injured group member is in danger.

Avoiding death, however, differs from understanding that one will eventually die.