#1027

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RECORDED ON DECEMBER 14th 2023.
Dr. João Teixeira is Australian Research Council DECRA Fellow at the Evolution of Cultural Diversity Initiative, School of Culture, History and Language at the Australian National University & Scientific Vice-Coordinator at the Centre for Interdisciplinary Studies of the University of Coimbra. He is a population geneticist focusing on the evolution of humans and closely related species. His main research focus revolves around human evolution during the Pleistocene, in particular the admixture events between so-called modern and archaic humans after the out-of-Africa and before human colonization of Sahul. He is expert on uncovering signatures of natural selection in the genome, in particular balancing selection, and continue to study how advantageous genetic diversity can be maintained for millions of years in natural populations.

In this episode, we start by discussing what are modern and archaic humans. We talk about out-of-Africa migrations by H. sapiens and other hominins. We discuss how hominin species are classified. We talk about the Neanderthals and the Denisovans, and how they interbred with H. sapiens. We discuss whether the Neanderthals really went extinct. We talk about what we can learn from genetics about human evolution, and specifically admixture and human dispersals. Finally, we discuss balancing selection and trans-species polymorphisms, and the implications they have for how we understand human evolution.

Time Links:
00:00 Intro
01:07 What are modern humans, and what are archaic humans?
05:26 Out-of-Africa migrations by H. sapiens
12:15 Out-of-Africa migrations before H. sapiens
18:54 How we classify hominin species
32:17 The Neanderthals and the Denisovans, and interbreeding with H. sapiens
45:37 Did the Neanderthals really go extinct?
57:39 What we can learn from genetics about human evolution
1:02:25 Admixture and human dispersals
1:10:00 Balancing selection, and trans-species polymorphisms
1:23:38 Understanding how we relate to other hominins
1:25:28 Follow Dr. Teixeira’s work!
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Follow Dr. Teixeira’s work:
University page: https://bit.ly/3roPGsf
ResearchGate profile: https://bit.ly/45NjuNN
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A HUGE THANK YOU TO MY PATRONS/SUPPORTERS: PER HELGE LARSEN, JERRY MULLER, BERNARDO SEIXAS, ADAM KESSEL, MATTHEW WHITINGBIRD, ARNAUD WOLFF, TIM HOLLOSY, HENRIK AHLENIUS, FILIP FORS CONNOLLY, ROBERT WINDHAGER, RUI INACIO, ZOOP, MARCO NEVES, COLIN HOLBROOK, PHIL KAVANAGH, SAMUEL ANDREEFF, FRANCIS FORDE, TIAGO NUNES, FERGAL CUSSEN, HAL HERZOG, NUNO MACHADO, JONATHAN LEIBRANT, JOÃO LINHARES, STANTON T, SAMUEL CORREA, ERIK HAINES, MARK SMITH, JOÃO EIRA, TOM HUMMEL, SARDUS FRANCE, DAVID SLOAN WILSON, YACILA DEZA-ARAUJO, ROMAIN ROCH, DIEGO LONDOÑO CORREA, YANICK PUNTER, CHARLOTTE BLEASE, NICOLE BARBARO, ADAM HUNT, PAWEL OSTASZEWSKI, NELLEKE BAK, GUY MADISON, GARY G HELLMANN, SAIMA AFZAL, ADRIAN JAEGGI, PAULO TOLENTINO, JOÃO BARBOSA, JULIAN PRICE, EDWARD HALL, HEDIN BRØNNER, DOUGLAS FRY, FRANCA BORTOLOTTI, GABRIEL PONS CORTÈS, URSULA LITZCKE, SCOTT, ZACHARY FISH, TIM DUFFY, SUNNY SMITH, JON WISMAN, WILLIAM BUCKNER, PAUL-GEORGE ARNAUD, LUKE GLOWACKI, GEORGIOS THEOPHANOUS, CHRIS WILLIAMSON, PETER WOLOSZYN, DAVID WILLIAMS, DIOGO COSTA, ALEX CHAU, AMAURI MARTÍNEZ, CORALIE CHEVALLIER, BANGALORE ATHEISTS, LARRY D. LEE JR., OLD HERRINGBONE, MICHAEL BAILEY, DAN SPERBER, ROBERT GRESSIS, IGOR N, JEFF MCMAHAN, JAKE ZUEHL, BARNABAS RADICS, MARK CAMPBELL, TOMAS DAUBNER, LUKE NISSEN, KIMBERLY JOHNSON, JESSICA NOWICKI, LINDA BRANDIN, GEORGE CHORIATIS, VALENTIN STEINMANN, PER KRAULIS, ALEXANDER HUBBARD, BR, MASOUD ALIMOHAMMADI, JONAS HERTNER, URSULA GOODENOUGH, DAVID PINSOF, SEAN NELSON, MIKE LAVIGNE, JOS KNECHT, LUCY, MANVIR SINGH, PETRA WEIMANN, CAROLA FEEST, STARRY, MAURO JÚNIOR, 航 豊川, TONY BARRETT, BENJAMIN GELBART, NIKOLAI VISHNEVSKY, STEVEN GANGESTAD, AND TED FARRIS!
A SPECIAL THANKS TO MY PRODUCERS, YZAR WEHBE, JIM FRANK, ŁUKASZ STAFINIAK, TOM VANEGDOM, BERNARD HUGUENEY, CURTIS DIXON, BENEDIKT MUELLER, THOMAS TRUMBLE, KATHRINE AND PATRICK TOBIN, JONCARLO MONTENEGRO, AL NICK ORTIZ, NICK GOLDEN, AND CHRISTINE GLASS!
AND TO MY EXECUTIVE PRODUCERS, MATTHEW LAVENDER, SERGIU CODREANU, BOGDAN KANIVETS, ROSEY, AND GREGORY HASTINGS!