(These are excerpts from my book "Intelligence is not Artificial")
Intermezzo: We may Overestimate Brains
The record for brain size compared with body mass does not belong to Homo Sapiens: it belongs to the squirrel monkey (5% of the body weight, versus 2% for humans). The sparrow is a close second.
The longest living beings on the planet (bacteria and trees) have no brain.
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