Convoluted human evolution:genetic explosion (Introduction)

by dhw, Sunday, August 06, 2017, 08:56 (436 days ago) @ David Turell

QUOTES (my bold): ….it's possible the pulse of new species could have occurred by chance and might not be directly related to climate change.

Traits that make humans different from our ancestors, like larger brains and greater technological sophistication, could have arisen for a variety of reasons, he said.

"We can sit in the present and tell stories of the past that make sense of our modern day adaptations," he said. "But these could have evolved for reasons we don't know."

Yep, it could have occurred by chance, or it could have occurred through climate change, or it could have occurred for a variety of reasons including other reasons we don’t know. Am I alone in feeling just a little unenlightened?

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