Why don’t we see more larger brained species in our ecosystem?

Why don’t we see more larger brained species in our ecosystem?

Species with larger brains seem to have a higher general intelligence. So why haven’t all species evolved larger brains? Possibly because general intelligence relies on a capability for social learning, so larger brains are only useful for species that rely more on social learning. – Kaj Sotala Larger brains cost require more fuel, larger brains…

Review of Homo Deus: A Brief History of Tomorrow by Yuval Noah Harari – Steve Fuller
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Review of Homo Deus: A Brief History of Tomorrow by Yuval Noah Harari – Steve Fuller

My sociology of knowledge students read Yuval Harari’s bestselling first book, Sapiens, to think about the right frame of reference for understanding the overall trajectory of the human condition. Homo Deus follows the example of Sapiens, using contemporary events to launch into what nowadays is called ‘big history’ but has been also called ‘deep history’…