Evolution – Détails, épisodes et analyse
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UCTV presents experts exploring the diversity of life on Earth and the evolutionary forces that shape it.
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🇨🇦 Canada - naturalSciences
28/06/2026#86🇬🇧 Grande Bretagne - naturalSciences
28/06/2026#82🇩🇪 Allemagne - naturalSciences
28/06/2026#77🇨🇦 Canada - naturalSciences
27/06/2026#64🇬🇧 Grande Bretagne - naturalSciences
27/06/2026#62🇩🇪 Allemagne - naturalSciences
27/06/2026#66🇨🇦 Canada - naturalSciences
26/06/2026#47🇬🇧 Grande Bretagne - naturalSciences
26/06/2026#38🇩🇪 Allemagne - naturalSciences
26/06/2026#52🇨🇦 Canada - naturalSciences
25/06/2026#35
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CARTA: Body Modification - Questions Answers and Closing Remarks
lundi 1 avril 2024 • Durée 01:23:02
Permanent body modification is a unique and variable practice among humans, not observed in other mammals. Despite being costly and risky, it is regularly performed. Scientific understanding of this phenomenon is nascent, prompting a symposium aiming to assess current research status and prioritize questions for the next decade. The event brings together academics and industry practitioners, exploring historical and contemporary practices like tattooing, piercing, finger amputation, and cranial modification. The symposium aims to investigate the 'when' and 'where' of permanent body modification and understand the motivations behind it, considering personal justifications and scientific hypotheses. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39476]
CARTA: Lip Plates in Ethiopia with Shauna LaTosky
vendredi 22 mars 2024 • Durée 23:47
In the literature on lip plates in Southern Ethiopia there has been a strong emphasis on their socio-cultural importance and little information about their biocultural significance. Shauna LaTosky proposes that cultural keystone species theory and cultural keystone place theory could provide a useful frameworks for understanding relationships between the agro-pastoralist Mursi of Southern Ethiopia and the plant species and places that are integral to maintaining their cultural bodily practices. Keystone designations are applied here to the indigenous fruit tree lomay (Ximenia americana) and special clay pits in recognition of their role in the success of permanent body modification practices such as the piercing and stretching of women’s lower lips, but also in the promotion of health, social well-being and a sustainable environment. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39470]
CARTA: Footbinding: A Gene-Culture Co-evolutionary Approach to a One Thousand Year Tradition with Ryan Nichols
dimanche 11 février 2024 • Durée 15:28
This talk explores the 1000-year practice of "footbinding" in ethnically Han Chinese families, involving modifying young girls' feet by wrapping the toes under the sole, often resulting in broken toes. Two main hypotheses—Labor Market and Evolutionary Social Sciences—are considered for explaining the origins, maintenance, and cessation of footbinding. This talk presents evidence from autopsy results, medical examinations, anthropological records, interviews, and historical texts. It argues that evolutionary social and psychological principles related to hypergyny, mate guarding, parental competition, mate competition, and paternal uncertainty offer better explanations for the origins and maintenance of footbinding than labor market factors. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39472]
CARTA: CompAnth - Questions Answers and Closing Remarks
mercredi 10 janvier 2024 • Durée 33:50
Comparative Anthropogeny (CompAnth) is the study of distinctly human traits and characteristics in the context of comparisons with our closest living relatives, the “great apes.” This symposium, the third of CARTA's CompAnth series, will present a collection of distinctive human traits, ranging from molecular, cellular, and anatomical biology to behavioral, societal, and cultural features. Given the large number of human traits for which no counterparts have yet been described in nature, the limitations of the comparative method will also be addressed and alternative approaches to the singularity that is the human phenomenon will be discussed. The goal is a better understanding of human origins and a full appreciation of our species’ planet altering effects. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39281]
CARTA: Comparative Anthropogeny - Language: Uniqueness Out of the Ordinary with Eva Wittenberg
lundi 1 janvier 2024 • Durée 23:25
Human language is a strong contender for the title of most often named species-specific feature in the literature. But why is that? In this talk, Eva Wittenberg explores what we could mean by "human language", and how different conceptions of language inevitably lead to different answers about whether it is species-specific. While syntax is a central feature, it is only one of several, and the uniqueness of human language is that it arose from a combination of, perhaps, ordinary ingredients. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39277]
CARTA: CompAnth - Welcome and Opening Remarks
lundi 1 janvier 2024 • Durée 11:41
Comparative Anthropogeny (CompAnth) is the study of distinctly human traits and characteristics in the context of comparisons with our closest living relatives, the “great apes.” This symposium, the third of CARTA's CompAnth series, will present a collection of distinctive human traits, ranging from molecular, cellular, and anatomical biology to behavioral, societal, and cultural features. Given the large number of human traits for which no counterparts have yet been described in nature, the limitations of the comparative method will also be addressed and alternative approaches to the singularity that is the human phenomenon will be discussed. The goal is a better understanding of human origins and a full appreciation of our species’ planet altering effects. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39280]
CARTA: Comparative Anthropogeny - Did Humans Evolve Concealed Ovulation? with Pascal Gagneux
vendredi 29 décembre 2023 • Durée 23:10
Human ovulation lacks visible signs, unlike chimpanzees and bonobos with conspicuous genital swellings during fertility. This led to the concept of "concealed ovulation," seen as a human adaptation. Proposed reasons include encouraging paternal investment, confusing paternity to deter infanticide, enabling secret mating and female choice, and reducing female rivalry. Many non-human primates also have unsignaled ovulation. While self-reported human mating doesn't match ovulation, debates persist on subtle reproductive cycle influences. Some cultures use menstrual taboos to disclose fertility status. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39275]
CARTA: Comparative Anthropogeny - The Evolution of Shorter Inter-birth Intervals in Humans with Corinna Most
mercredi 27 décembre 2023 • Durée 19:13
Life history theory suggests that inter-birth intervals (IBIs) depend on a trade-off between maternal investment in current and future offspring, influenced by the mother's energy and somatic maintenance. Normally, IBI aligns with maternal and infant body size, larger relative infant size leading to slower breeding. In contrast, humans have relatively shorter IBIs due to cooperative breeding, support from the social group. Some other species with cooperative behaviors also exhibit shorter IBIs, possibly aided by factors like meat-eating enabling early weaning around 2.5 million years ago in the Homo lineage. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39276]
CARTA: Comparative Anthropogeny - Insight into Human-specific Adaptations to High Altitude with Tatum Simonson
samedi 23 décembre 2023 • Durée 19:30
High-altitude adaptation stands out as one of the most notable examples of evolution within our species. Despite similar challenges of decreased oxygen availability, human groups on different continents have followed unique evolutionary trajectories. I will discuss how genomic, molecular, and physiological discoveries reveal key insights into human-specific evolutionary changes, examine comparative findings and limitations, and consider alternative approaches for understanding distinct facets of this extraordinary human phenomenon. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39274]
CARTA: Comparative Anthropogeny - How Special are Our Neanderthal Genes? with Andrew Schork
samedi 16 décembre 2023 • Durée 17:42
The human genome contains segments of DNA with non-human origins. This introgressed genetic material is remnants of mating events between early modern humans and their archaic contemporaries (e.g., Neanderthals and Denisovans). In this talk, Andrew Schork will review the evidence for such genetic material, its consequences on phenotypic diversity in modern humans, and discuss if this process - archaic introgression - is typical among other great ape species. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39273]
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