Granny's Role In Evolution -- NPR's David Baron reports on the "grandmother hypothesis," which states that postmenopausal grandmothers had a lot to do with human evolution. The findings are out today in the journal "Nature."
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Granny's Role In Evolution

Only Available in Archive Formats.
Granny's Role In Evolution

Granny's Role In Evolution

Granny's Role In Evolution

Only Available in Archive Formats.

— NPR's David Baron reports on the "grandmother hypothesis," which states that postmenopausal grandmothers had a lot to do with human evolution. The findings are out today in the journal "Nature."