Expanding social networks led, eventually, to the complex social lives of modern humans. As brains became larger and more complex, growing up took longer-requiring more parental care and the protective environment of a home. Over time, early humans began to gather at hearths and shelters to eat and socialize. Sharing food, caring for infants, and building social networks helped our ancestors meet the daily challenges of their environments. Social bonds helped ensure humans' survival. Science, Religion, Evolution and Creationism: Primer.Members Thoughts on Science, Religion & Human Origins (video).Teaching Evolution through Human Examples.Digital Archive of Ungulate and Carnivore Dentition.Adventures in the Rift Valley: Interactive. Smithsonian National Museum of Natural History The Smithsonian Institution's Human Origins Program Main Menu
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