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. <br/><br/><a href="https://dawnofsapiens.substack.com?utm_medium=podcast">dawnofsapiens.substack.com</a>
Dawn of sapiens
Claim This Podcastby Dawn of sapiens
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6 episodes
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Podcast Overview
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. <br/><br/><a href="https://dawnofsapiens.substack.com?utm_medium=podcast">dawnofsapiens.substack.com</a>
Language
🇺🇲
Publishing Since
1/22/2023
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Recent Episodes
October 22, 2023
#6 Genes Are Not Blueprints
<p>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.</p><p>Genes are important but they are hardly the only element that determines the physical features that we each develop over a lifetime.</p><p></p><p>Mark Blumberg discussing genes, genetic determinism, evolution, and more:</p><p></p><p>The Reactome is a visual pathway database for anyone that wants to get lost in the weeds:</p><p> https://reactome.org/PathwayBrowser/#/R-HSA-211000&SEL=R-HSA-426486&PATH=R-HSA-74160</p><p></p><p>Gene silencing micro RNAs (miRNAs):</p><p></p><p>Gene regulation and transcription factors (RNA):</p><p> </p> <br/><br/>This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit <a href="https://dawnofsapiens.substack.com?utm_medium=podcast&utm_campaign=CTA_1">dawnofsapiens.substack.com</a>
September 4, 2023
#5 - Neanderthal Female Autonomy and Sex Biased Dispersal
<p></p><p>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.</p><p></p><p> References</p><p>General</p><p><a target="_blank" href="https://www.nature.com/articles/6800060.pdf"><strong>Prugnolle & Meeus</strong></a><strong> – 2002 - Inferring sex-biased dispersal from population genetic tools: a review. </strong></p><p>Secretarybirds</p><p><a target="_blank" href="https://www.ingentaconnect.com/content/tandf/ostrich/2019/00000090/00000002/art00001;jsessionid=43jriatkrg1ia.x-ic-live-03"><strong>Whitecross et al</strong></a><strong>. – 2019 – Dispersal dynamics of juvenile Secretarybirds Sagittarius serpentarius in southern Africa.</strong></p><p>Elephants</p><p><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/25493538/#:~:text=Improvements%20in%20ancient%20DNA%20methods,woolly%20mammoth%20(Mammuthus%20primigenius)."><strong>Roca</strong></a><strong> et al. – 2014 – Elephant natural history: a genomic perspective.</strong></p><p>Grey Wolves</p><p><a target="_blank" href="https://wolf.org/wp-content/uploads/2020/11/UnexplainedDispersal.pdf"><strong>Mech</strong></a><strong> – 2020 - Unexplained patterns of grey wolf Canis lupus natal dispersal.</strong></p><p>Asian Black Bears</p><p><a target="_blank" href="https://academic.oup.com/jmammal/article-pdf/104/2/265/49768806/gyac118.pdf"><strong>Takayama et al</strong></a><strong>. – 2023 - Timing and distance of natal dispersal in Asian black</strong></p><p><strong>bears.</strong></p><p>Owl Monkeys</p><p><a target="_blank" href="https://www.jstor.org/stable/40295997"><strong>Duque</strong></a><strong> – 2009 - Natal Dispersal in Monogamous Owl Monkeys (Aotus azarai) of the Argentinean Chaco.</strong></p><p>Black Crested Gibbon</p><p><a target="_blank" href="https://onlinelibrary.wiley.com/doi/10.1002/ajp.22922"><strong>Guan et al</strong></a><strong>. – 2018 - Dispersal and female philopatry in a long-term, stable, polygynous gibbon population: Evidence from 16 years field observation and genetics.</strong></p><p>White-handed Gibbons</p><p><a target="_blank" href="https://onlinelibrary.wiley.com/doi/10.1002/ajpa.23603"><strong>Matsudaira et al</strong></a><strong>. – 2018 - Short dispersal distance of males in a wild white-handed gibbon (Hylobates lar) population.</strong></p><p>Orangutans</p><p><a target="_blank" href="https://issuu.com/theleakeyfoundation/docs/buckley-leakey_final_report"><strong>Buckley</strong></a><strong> – 2014 – Male orangutan dispersal and ranging: implications for mating system mechanics.</strong></p><p>Western Lowland Gorillas</p><p><a target="_blank" href="https://link.springer.com/article/10.1007/s00265-020-02863-8"><strong>Manguette et al</strong></a><strong>. – 2020 –</strong> <strong>Female dispersal patterns influenced by male tenure duration and group size in western lowland gorillas.</strong></p><p>Chimpanzees</p><p><a target="_blank" href="http://www.eva.mpg.de/documents/Wiley-Blackwell/McCarthy_Genetic_AmJPrim_2018_3001914.pdf"><strong>McCarthy et al</strong></a><strong>. – 2018 – Genetic analysis suggests dispersal among chimpanzees in a fragmented forest landscape in Uganda.</strong></p><p><a target="_blank" href="https://apewanders.wordpress.com/2023/08/21/issa-chimpanzees-times-are-changing/"><strong>Rhianna Drummond-Clarke</strong></a><strong> – 2023 – Issa Chimpanzees: Times are changing</strong></p><p>Bonobos</p><p><a target="_blank" href="https://esajournals.onlinelibrary.wiley.com/doi/full/10.1002/ecy.3442"><strong>Claramunt</strong></a><strong> – 2021 – Flight efficiency explains differences in natal dispersal distances in birds.</strong></p><p><a target="_blank" href="https://pubmed.ncbi.nlm.nih.gov/35462131/"><strong>Toda et al</strong></a><strong>. – 2022 - Do female bonobos (Pan paniscus) disperse at the onset of puberty? Hormonal and behavioral changes related to their dispersal timing.</strong></p><p>Homo sapiens</p><p><a target="_blank" href="http://www.jstor.org/stable/4602251?origin=JSTOR-pdf"><strong>Lee</strong></a><strong> – 1972 – !kung Spatial Organization: An Ecological and Historical Perspective.</strong></p><p>Neanderthals</p><p><a target="_blank" href="https://www.nature.com/articles/nature26151"><strong>Hajdinjak et al.</strong></a><strong> - 2018 - Reconstructing the genetic history of late Neanderthals.</strong></p><p><a target="_blank" href="https://www.pnas.org/doi/full/10.1073/pnas.2004944117"><strong>Mafessoni et al.</strong></a><strong> - 2020 - A high-coverage Neandertal genome from Chagyrskaya Cave.</strong></p><p><a target="_blank" href="https://www.nature.com/articles/nature17405"><strong>Meyer et al.</strong></a><strong> - 2016 -Nuclear DNA sequences from the Middle Pleistocene Sima de los Huesos hominins. </strong></p><p><a target="_blank" href="https://www.nature.com/articles/s41586-022-05283-y"><strong>Skove et al.</strong></a><strong> - 2022 - Genetic insights into the social organization of Neanderthals.</strong></p><p><a target="_blank" href="https://www.nature.com/articles/s41586-018-0455-x"><strong>Slon et al.</strong></a><strong> - 2018 - The genome of the offspring of a Neanderthal mother and a Denisovan father.</strong></p><p></p> <br/><br/>This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit <a href="https://dawnofsapiens.substack.com?utm_medium=podcast&utm_campaign=CTA_1">dawnofsapiens.substack.com</a>
June 29, 2023
#4 - Environmental DNA
<p></p><p>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. </p><p></p><p>Studies mentioned in the episode:</p><p>* Late Quaternary dynamics of Arctic biota from ancient environmental genomics by Yucheng Wang et al., 2021. DOI: <a target="_blank" href="https://doi.org/10.1038/s41586-021-04016-x">10.1038/s41586-021-04016-x</a> </p><p>* DNA pulled from thin air identifies nearby animals by Erik Stokstad, 2021. DOI: <a target="_blank" href="https://www.science.org/content/article/dna-pulled-thin-air-identifies-nearby-animals">10.1126/science.abl5425</a></p><p>* When did mammoths go extinct? by Joshua Miller & Carl Simpson, 2022. DOI: <a target="_blank" href="https://doi.org/10.1038/s41586-022-05416-3">10.1038/s41586-022-05416-3</a></p><p>* Reply to: When did mammoths go extinct? By Yucheng Wang et al., 2022. DOI: <a target="_blank" href="https://doi.org/10.1038/s41586-022-05417-2">10.1038/s41586-022-05417-2</a></p><p>* A 2-million-year-old ecosystem in Greenland uncovered by environmental DNA by Kurt H. Kjær et al., 2022. DOI: <a target="_blank" href="https://doi.org/10.1038/s41586-022-05453-y">10.1038/s41586-022-05453-y</a></p><p></p> <br/><br/>This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit <a href="https://dawnofsapiens.substack.com?utm_medium=podcast&utm_campaign=CTA_1">dawnofsapiens.substack.com</a>
6 total episodes available
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