SciShow

The Evolution of Male Homosexuality

2012 • E69    May 11, 2012    10m
Hank goes from space to sex and then to motherhood, covering the SpaceX launch, a mission to the moons of Jupiter, intersexual workplace rivalries, the evolution of male homosexuality, the fossil evidence of squishy baby skulls, toddler body bias, and the price of breastfeeding.

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