Existiram 5 espécies humanas. Por que somos os únicos que restaram?
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For most of our evolutionary history, planet Earth did not belong to just one single human species, but to several coexisting at the same time. While Homo sapiens evolved in Africa, Neanderthals dominated Europe, Denisovans populated Asia, the tiny Homo floresiensis inhabited islands in Indonesia, Homo naledi performed possible rituals in South African caves, and the legendary Homo erectus endured in Southeast Asia.
Discover the work of Svante Pääbo (2022 Nobel Prize winner) on the archaic genome, understand why current human populations still carry Neanderthal and Denisovan DNA, and reflect on modern evolutionary psychology: why does a brain shaped by cooperation and ancestral connection suffer so much from loneliness and isolation in today's cities?
📚 Cited Scientific Research and Readings:
Svante Pääbo et al. – A Draft Sequence of the Neanderthal Genome (Science) / Works of the Max Planck Institute for Evolutionary Anthropology (Nobel Prize 2022).
Lee Berger et al. (2015/2017) – Homo naledi, a new species of the genus Homo from the Dinaledi Chamber, South Africa (eLife).
Peter Jacobs et al. (2019) – Considerations on the late survival of Homo erectus at Ngandong, Java (Nature).
Robin Dunbar (1992) – Neocortex size as a constraint on group size in primates (Social support networks and Dunbar's Number).
Eldar Shafir & Sendhil Mullainathan (2013) – Scarcity: Why Having Too Little Means So Much (Psychology of scarcity and survival mechanisms).
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Populações da Ásia Oriental e Sudeste Asiático: Apresentam percentagens menores (cerca de 0,2% a 1%).
Adaptação à altitude (Gene EPAS1): Os tibetanos modernos herdaram dos Denisovanos uma variante do gene EPAS1, que lhes permite absorver o oxigénio de forma muito mais eficiente em altitudes extremas.
Imunidade: Certas variantes genéticas herdadas dos Denisovanos ajudaram os humanos modernos a combater vírus e infeções ao adaptarem-se a novos ambientes.
Existiram 5 espécies humanas. Por que somos os únicos que restaram?
Diário Nada Normal
55,689 views
For most of our evolutionary history, planet Earth did not belong to just one single human species, but to several coexisting at the same time. While Homo sapiens evolved in Africa, Neanderthals dominated Europe, Denisovans populated Asia, the tiny Homo floresiensis inhabited islands in Indonesia, Homo naledi performed possible rituals in South African caves, and the legendary Homo erectus endured in Southeast Asia.
Discover the work of Svante Pääbo (2022 Nobel Prize winner) on the archaic genome, understand why current human populations still carry Neanderthal and Denisovan DNA, and reflect on modern evolutionary psychology: why does a brain shaped by cooperation and ancestral connection suffer so much from loneliness and isolation in today's cities?
📚 Cited Scientific Research and Readings:
Svante Pääbo et al. – A Draft Sequence of the Neanderthal Genome (Science) / Works of the Max Planck Institute for Evolutionary Anthropology (Nobel Prize 2022).
Lee Berger et al. (2015/2017) – Homo naledi, a new species of the genus Homo from the Dinaledi Chamber, South Africa (eLife).
Peter Jacobs et al. (2019) – Considerations on the late survival of Homo erectus at Ngandong, Java (Nature).
Robin Dunbar (1992) – Neocortex size as a constraint on group size in primates (Social support networks and Dunbar's Number).
Eldar Shafir & Sendhil Mullainathan (2013) – Scarcity: Why Having Too Little Means So Much (Psychology of scarcity and survival mechanisms).