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Related Experiment Video

Updated: Sep 16, 2025

The Innovation Arena: A Method for Comparing Innovative Problem-Solving Across Groups

The Innovation Arena: A Method for Comparing Innovative Problem-Solving Across Groups

Published on: May 13, 2022

Adaptive Responses to Adversity Drive Innovation in Human Evolutionary History.

Nicole M Herzog¹, Kathryn Demps²

¹Department of Anthropology, University of Denver, Denver, Colorado, USA.

Evolutionary Anthropology

|July 12, 2025

Summary

This summary is machine-generated.

Adversity, not prosperity, drove human innovation. Our ancestors adopted extractive foraging, using technology and social behavior to overcome challenges and evolve longer lifespans and greater social reliance.

Keywords:

cultural evolution human evolution innovation optimal foraging theory

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Area of Science:

Human evolution
Paleoanthropology
Behavioral ecology

Background:

Human cognitive abilities and prosocial knowledge sharing are costly.
Evolutionary pressures may have shaped human life history and innovation.

Purpose of the Study:

To propose that adversity, not prosperity, fostered innovation in early human ancestors.
To re-examine classic foraging models in light of Pliocene ancestor's dietary shifts.

Main Methods:

Analysis of evolutionary pressures and fitness landscapes.
Reimagining of foraging models to include extractive foraging.
Examination of social foraging and emergent technology.

Main Results:

Pliocene ancestors faced competitive exclusion into novel habitats.
A shift to extractive foraging in ecotones allowed ancestors to escape fitness valleys.
Gregarious foraging and technology reduced mortality and increased returns.

Conclusions:

Adversity spurred the development of extractive foraging and technology.
These adaptations led to reduced risk, increased returns, and extended life cycles.
This evolutionary trajectory fostered increased social reliance in humans.