Dawn of sapiens – Détails, épisodes et analyse

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Dawn of sapiens

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Fréquence : 1 épisode/54j. Total Éps: 6

Join me as I explore ideas and thoughts from the story of human origins. As science advances new discoveries are changing what we thought we knew. This podcast will explore this changing landscape and the science behind it along with the occasional interview.

dawnofsapiens.substack.com

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🇨🇦 Canada - lifeSciences
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29/03/2025
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https://dawnofsapiens.substack.com?utm_medium=podcast&#38
6 partages
https://www.jstor.org/stable/10.1086/667591
3 partages
http://people.morrisville.edu/~reymers/readings/ANTH101/Scarce_Resources-Lee.pdf
3 partages

https://www.nature.com/articles/nature17405
3 partages
https://www.nature.com/articles/s41559-019-0992-1
2 partages
https://www.nature.com/articles/s41559-023-01994-1
2 partages

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Liste des épisodes récents, avec titres, durées et descriptions.

#6 Genes Are Not Blueprints

dimanche 22 octobre 2023 • Durée 12:49

The recent explosion of genetic research has propelled DNA, genes, and genetic determinism into the public consciousness. It wasn't until I took a course on functional genomics that I began to understand how oversimplified the public’s (myself included) understanding of DNA, genes, and phenotype is in contrast to reality.

Genes are important but they are hardly the only element that determines the physical features that we each develop over a lifetime.

Mark Blumberg discussing genes, genetic determinism, evolution, and more:

The Reactome is a visual pathway database for anyone that wants to get lost in the weeds:

https://reactome.org/PathwayBrowser/#/R-HSA-211000&SEL=R-HSA-426486&PATH=R-HSA-74160

Gene silencing micro RNAs (miRNAs):

Gene regulation and transcription factors (RNA):

This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit dawnofsapiens.substack.com

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#5 - Neanderthal Female Autonomy and Sex Biased Dispersal

lundi 4 septembre 2023 • Durée 34:25

The research for two upcoming projects recently had me wondering about sex biased dispersal and female autonomy in Neanderthals. Fully understanding the answer requires putting Neanderthal behavior in context with that of both modern humans and other mammals. That was what I attempted to do here.

References

General

Prugnolle & Meeus – 2002 - Inferring sex-biased dispersal from population genetic tools: a review.

Secretarybirds

Whitecross et al. – 2019 – Dispersal dynamics of juvenile Secretarybirds Sagittarius serpentarius in southern Africa.

Elephants

Roca et al. – 2014 – Elephant natural history: a genomic perspective.

Grey Wolves

Mech – 2020 - Unexplained patterns of grey wolf Canis lupus natal dispersal.

Asian Black Bears

Takayama et al. – 2023 - Timing and distance of natal dispersal in Asian black

bears.

Owl Monkeys

Duque – 2009 - Natal Dispersal in Monogamous Owl Monkeys (Aotus azarai) of the Argentinean Chaco.

Black Crested Gibbon

This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit

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#4 - Environmental DNA

jeudi 29 juin 2023 • Durée 26:36

The power of a new subfield of ancient DNA (aDNA), known as environmental DNA (eDNA), is growing. In this episode I explore a study released in 2021 that reconstructs an ancient Siberian ecosystem from 50,000 years ago to the present. The ability to answer long held questions from a handful of dirt is quite the feat.

Studies mentioned in the episode:

* Late Quaternary dynamics of Arctic biota from ancient environmental genomics by Yucheng Wang et al., 2021. DOI: 10.1038/s41586-021-04016-x

* DNA pulled from thin air identifies nearby animals by Erik Stokstad, 2021. DOI: 10.1126/science.abl5425

* When did mammoths go extinct? by Joshua Miller & Carl Simpson, 2022. DOI: 10.1038/s41586-022-05416-3

* Reply to: When did mammoths go extinct? By Yucheng Wang et al., 2022. DOI: 10.1038/s41586-022-05417-2

* A 2-million-year-old ecosystem in Greenland uncovered by environmental DNA by Kurt H. Kjær et al., 2022. DOI: 10.1038/s41586-022-05453-y

This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit dawnofsapiens.substack.com

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#3 - Hardcore (Pre)History

jeudi 25 mai 2023 • Durée 59:01

Recently Dan Carlin, of the Hardcore History podcast, released an episode exploring prehistory. I found a history guy’s perspective on prehistory fascinating. There were many points I agreed with and some I didn’t. I thought it would be worthwhile to explore some of the points Dan made and add a little anthropological depth to the discussion.

References in Order of Appearance

* Growth, Development, and Life History throughout the Evolution of Homo. By Gary Schwartz, 2012. https://www.jstor.org/stable/10.1086/667591

* Mobile elements reveal small population size in the ancient ancestors of Homo sapiens. By Chad Huff and colleagues, 2010. www.pnas.org/cgi/doi/10.1073/pnas.0909000107

* The Old Way: A Story of the First People. By Elizabeth Marshall Thomas, 2007. https://www.amazon.com/gp/product/031242728X/ref=ppx_od_dt_b_asin_title_s00?ie=UTF8&psc=1

* The Secrets of Chimpanzee and Bonobo Societies. By The Leakey Foundation featuring Dr. Liran Samuni, 2023. https://www.youtube.com/live/alR-JmkpU0s?feature=share&t=3123

* Nuclear DNA sequences from the Middle Pleistocene Sima de los Huesos hominins. By Matthias Meyer and colleagues, 2016. https://www.nature.com/articles/nature17405

* Khoe-San Genomes Reveal Unique Variation and Confirm the Deepest Population Divergence in Homo sapiens. By Carina Schlebusch and colleagues, 2020. https://doi.org/10.1093/molbev/msaa140

This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit

#2 - What Does it Mean to be Human?

samedi 11 mars 2023 • Durée 12:18

While researching for a separate project I was confronted with the variation of life histories across the hominin lineage. This variation is quite fascinating as it makes one wonder which of these are requisite to being a "modern human" and how did this variation affect the perceptions and experiences of these species?

Studies mentioned in the episode:

Schwartz - 2012 - Growth, Development, and Life History throughout the Evolution of Homo.

Meyer & Haeusler - 2015 - Spinal cord evolution in early Homo.

Turecek, Lehnert1 & Ginty - 2022 - The encoding of touch by somatotopically

aligned dorsal column subdivisions.

Baab et al. - 2021 - Assessing the status of the KNM-ER 42700 fossil using Homo erectus

neurocranial development.

Subscribe:

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dawnofsapiens.com

youtube.com/@DawnofSapiens

This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit dawnofsapiens.substack.com

#1 - Evolution & Time

dimanche 22 janvier 2023 • Durée 28:21

Humans seek to understand the world around them by using narrative and story as explanatory tools. In this episode I explore how narrative often oversimplifies the past. Using three examples; hominin species length, genetic admixture between modern humans and an archaic human species, and the group history of determined from one Neanderthal skeleton; I explore the how considering time in addition to evolutionary narrative expands our understanding of the past.

Music by Shane Ivers - The Wonders Of Science - https://www.silvermansound.com

This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit dawnofsapiens.substack.com

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Dawn of sapiens – Détails, épisodes et analyse

Détails du podcast

Classements récents

Apple Podcasts

Spotify

Liens partagés entre épisodes et podcasts

Other38

Nature7

Amazon4

Qualité et score du flux RSS

Historique des publications

Derniers épisodes publiés

Podcasts et contenus similaires

Podcasts Similaires Basées sur le Contenu

Podcasts Similaires Basées sur le Contenu

Other38

Nature7

Amazon4

Apple Podcasts

Spotify