The Savanna Hypothesis
The proposal that human ancestors left the forest for open grassland, and that walking upright, losing body hair and much else followed from that…
byCapsule0 votes0 reviews8/3/2026
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The proposal that human ancestors left the forest for open grassland, and that walking upright, losing body hair and much else followed from that…
The proposal that humans domesticated themselves, selecting over many generations against aggression and for tolerance, and that this produced our…
The proposal that humans evolved to run long distances, and that running down prey over hours in the heat was how our ancestors hunted before…
The proposal that human childbirth is difficult because walking upright narrowed the pelvis while brains grew larger, leaving birth as a compromise…
Human females stop reproducing decades before they die, which almost no other species does. The grandmother hypothesis proposes that this is an…