This lecture provides an overview of the evolution of hominids, from our first bipedal steps through to the development of language. Along the way, we will consider the importance of fire and the impact of expanding brain size, along with the consequences these had for the social and cultural behaviours of early (archaic) humans. As an excursus, we will also explain why new fathers are often told their infants look just like them!
Different phenotypical features are illustrated here (teeth) and here (skeletal structure). The book by Robin Dunbar referenced in the lecture is The Science of Love and Betrayal. The PTBD hypothesis mentioned in the lecture was devised by Dean Falk in her 2004 paper “Prelinguistic evolution in early hominins: Whence motherese?” A good book on the role of fire in driving human evolution is Richard Wrangham’s Catching fire: how cooking made us human.
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This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit rolfstromolsen.substack.com