Article
The Role of Carbon Dioxide in the Evolution of Intelligence: Solving the Dinosauroid Question
2025-09-18
Abstract excerpt
In this paper, I propose that the appearance of highly encephalized species on Earth during the past ca. 50 million years, and in particular the rapid encephalization of hominins during the past few million years, was favored by low CO2 concentrations and high O2/CO2 ratios in the atmosphere. This hypothesis is based on the high metabolic cost of the brain in multicellular creatures that requires not only a high o...
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Identifiers and source
- Literature Corpus work
- 44621641-9a6e-52a1-921f-63104e6cb96e
- DOI
- 10.32388/iknuzu