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originally posted by: Eunuchorn
According to the current trend of Vegetarian threads lately, humans couldn't have formed complex brains without meat, & since we must cook meat, I would say humans couldn't survive without fire.
Though ancestral humans were eating meat as least 2.5 million years ago, without the ability to control fire, any meat in their diet was raw, though possibly pounded using primitive stone tools. Approximately 1.9 million years ago, however, a dramatic change began to occur. The bodies of early humans grew larger. Their brains increased in size and complexity. Adaptations for long-distance running appeared.
originally posted by: StoutBroux
If you live in Hawaii, no. Antarctica, yes. It depends on the environment and food sources around you. I'm unaware of any human civilizations that don't use fire so it would appear to be a basic necessity.
originally posted by: eisegesis
So a human could never adapt to live in a cold environment without fire?