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Rapid Brain Growth

By Michael Alan Prestwood

Thu 8 Jul 2021
Published 5 years ago.
Updated 1 month ago.
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Rapid Brain Growth

800,000 BCE
800,000 to 200,000 BCE

Genus Homo: Rapid brain growth in our human ancestors started about 800,000 BCE. Now, by rapid brain growth we mean about 600,000 years! Larger complex brains helped early humans to survive. They interacted with each other and their surroundings in new and different ways.

Primary Timeline…

— map / TST —

Michael Alan Prestwood
Author & Natural Philosopher
Prestwood writes on science-first philosophy, with particular attention to the convergence of disciplines. Drawing on his TST Framework, his work emphasizes rational inquiry grounded in empirical observation while engaging questions at the edges of established knowledge. With TouchstoneTruth positioned as a living touchstone, this work aims to contribute reliable, evolving analysis in an emerging AI era where the credibility of information is increasingly contested.
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This month @ TST
Column Menu
June 2026
»COLUMN ARCHIVE
Column Research….
1. Timeline Story
Secular Spirituality Settles
2. Linked Quote
“Extraordinary claims require extraordinary evidence.”
3. Science FAQ »
What is the difference between a spiritual and empirical belief?
4. Philosophy FAQ »
What is secular spirituality?
5. Critical Thinking FAQ »
How does spirituality relate to public belief?
6. History FAQ!
Is secular spirituality supported in history and science?
Bonus Deep-Dive Article
The Material-Spiritual Framework: A Philosophy of Spirituality

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