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Science affects us all. Explore a wide variety of topics from technology in our everyday lives to complex global issues. Visit uctv.tv/science
720 Episodes
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Medical advances have significantly improved the survival of preterm babies and term neonates with brain injuries due to environmental hypoxia or genetic causes. Anca Pasca, M.D., shares her work to understand the molecular mechanisms underlying neurodevelopmental disorders associated with fetal and neonatal brain injury. Series: "Stem Cell Channel" [Health and Medicine] [Science] [Show ID: 39453]
The 2023 Kyoto Prize Laureate in Basic Sciences, Professor Elliott Lieb presents snapshots of his seventy-year journey through the world of science, first as a would-be engineer, then as a physicist and later as a mathematician and a mathematical physicist. In many encounters with colleagues in different areas of research he learned that mathematics and a mathematical perspective can be pivotal in developing our thinking about physics. This fundamental connection between mathematics and physics was not always accepted at the beginning of my career, and it was even vigorously denied by some mathematicians and physicists. Lieb mentions some of his work to illustrate the value of mathematical physics for theoretical physics and to pure mathematics, the first being the Polaron bound found with K. Yamazaki in Kyoto in 1957. Another is the "ice problem", where he calculated the number of ways to color a chess board with only three colors so that neighboring squares never have the same color. Series: "Kyoto Prize Symposium" [Science] [Show ID: 39424]
Join Los Angeles Times environment reporter and author of the new book California Against the Sea Rosanna Xia and Scripps Institution of Oceanography coastal resilience specialist Laura Engeman for a discussion on communicating the science and impacts of sea-level rise and California’s changing relationship with the ocean. Engeman will also discuss how Scripps Oceanography is advancing science and technology to understand sea-level rise across California and beyond. Xia will also do a reading from the book and be on hand afterward to sign copies and meet audience members. Series: "Jeffrey B. Graham Perspectives on Ocean Science Lecture Series" [Science] [Show ID: 39648]
Born and raised in Hokkaido, Japan, Professor Ryuzo Yanagimachi, the 2023 Kyoto Prize Laureate in Basic Sciences, developed a love for nature. He became fascinated with the fertilization process of sea urchins. After studying the fertilization of fish and the life cycle of parasitic barnacles, he realized little was known about mammalian fertilization. He went on to train with Professor M.C. Chang at the Worcester Foundation for Experimental Biology, the father of mammalian in vitro fertilization and then started his own lab at the University of Hawai'i. His basic studies contributed to understanding the hidden capacity of sperm and eggs and overcoming human fertility problems. Professor Yanagimachi passed away in 2023 at the age of 95, just a few months before he was to receive his Kyoto Prize award. Dr. W. Steven Ward, Director of the Institute for Biogenesis Research at the University of Hawai’i will present Prof. Yanagimachi’s life and work. Series: "Kyoto Prize Symposium" [Health and Medicine] [Science] [Show ID: 39423]
Explore cutting-edge research at the intersection of neuroscience, space exploration, and medical innovation. Researchers discuss revolutionary experiments with brain organoids cultivated from stem cells, conducted both in terrestrial labs and aboard the International Space Station. They investigate accelerated aging, neuroprotective agents, and potential treatments for conditions like Alzheimer's and ALS. The dialogue also delves into the transformative impact of space environments on scientific discoveries, from understanding bacterial growth to developing novel therapies. Through collaborative efforts, they strive to revolutionize healthcare, offering hope for patients and pushing the boundaries of human knowledge. Series: "Stem Cell Channel" [Health and Medicine] [Science] [Show ID: 39632]
Marking the one-year anniversary of the Global Astrobiotechnology Hub, an esteemed panel convenes to envision the future of space exploration and stem cell research. Central to their discussion is the imperative to enhance accessibility and expedite scientific inquiry in space. They advocate for a shift towards establishing regular access to space, enabling frequent dispatches of payloads and experiments. They highlight the pressing need to advance technology to democratize space research, opening doors for nontraditional researchers from industry, academia, and beyond. They emphasize the significance of scientist-astronauts who possess a nuanced understanding of research methodologies. Emphasizing the importance of public engagement, they underscore the need to disseminate research findings widely and mentor the upcoming generation of scientists. Series: "Stem Cell Channel" [Health and Medicine] [Science] [Show ID: 39528]
As AI becomes more prevalent, many people are asking how it will impact health care. In this program, Dr. Ida Sim, Professor of Medicine and Computational Precision Health at UCSF and Cora Han, attorney and Chief Health Data Officer for University of California Health, discuss the issues surround health care and AI. Sim outlines the current thinking around the role of transparency and explainability in AI governance and oversight, and in earning and maintaining trust of various stakeholder communities. Han discusses AI governance efforts across UC Health, and state and federal efforts to develop resources for ensuring that AI systems are developed, integrated, and deployed in a trustworthy manner. Series: "UC Center Sacramento" [Health and Medicine] [Science] [Show ID: 39603]
Despite effective computer tutoring software, no adaptive tutoring system has been developed and open-sourced to the field. In this program, Zachary Pardos, Associate Professor of Education at UC Berkeley, talks about efforts to create more equitable access to adaptive learning technology with the introduction of the first open-source adaptive tutoring system based on Intelligent Tutoring System principles. This system, called Open Adaptive Tutor, and its adaptive textbook library, have been iteratively developed over three years. Pardos describes how this system can be used as a foundation for exploring integrations of generative AI and will share nascent results from their first evaluations of ChatGPT for content generation. Series: "UC Center Sacramento" [Science] [Education] [Show ID: 39583]
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]
Claudia H. Kawas, M.D., addresses Alzheimer's disease and related conditions in older adults, noting the challenge of accurate diagnosis and the resemblance of other brain conditions to Alzheimer's. She introduces "resistance" and "resilience," explaining how some individuals remain cognitively intact despite brain changes. Kawas suggests declining dementia risk due to improved vascular health management, emphasizing the complexity of cognitive decline and the need for further research. Series: "Brain Channel" [Health and Medicine] [Science] [Show ID: 39532]
Southern California’s giant kelp forests are ecosystems that are potentially vulnerable to the region’s warming waters, but unlike terrestrial forests, changes in these underwater ecosystems are largely invisible to most of us. Join biologist Mohammad Sedarat and artist Oriana Poindexter in an exploration of their collaboration on the aquarium’s new art exhibition, Hold Fast, an immersive journey through our local giant kelp forests. Learn how their unique perspectives are combined to provide visitors with insight into climate change through the lens of art. Series: "Jeffrey B. Graham Perspectives on Ocean Science Lecture Series" [Science] [Show ID: 39556]
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]
How is AI reshaping industries and everyday life? And what are the ethical and societal implications of these changes? Brandie Nonnecke, Ph.D., Founding Director of the CITRIS Policy Lab at UC Berkeley, is navigating the intricate landscape of artificial intelligence, from its basic forms — such as narrow AI focused on specific tasks — to the aspirational concepts of generative AI that can be applied across various domains. In this program, Nonnecke gives a comprehensive understanding of AI, cutting through the hype to reveal its actual potential and limitations and preparing attendees for the nuanced reality of an AI-integrated future. Series: "UC Center Sacramento" [Science] [Show ID: 39566]
Across continents, material evidence of body piercing jewelry abounds in the archeological record. However, the varying procedures and processes of piercing, healing, and stretching these wounds for adornment remains unfamiliar to most archeologists. This talk discusses the early self-experimentations that led to the development of the Euro-American body piercing industry. From the late 19th throughout the 20th centuries shared personal correspondence, illustrations, and photographs document the adaptations, innovations, successes, and failures that came to coalesce a current community’s collective knowledge. Understanding the processes of these secretive explorations provides insights into many of the cross-cultural practices of the past for which no clear records remain. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39474]
What is bionic vision? Michael Beyeler, director of the Bionic Vision Lab and assistant professor of computer science at UC Santa Barbara, talks about how technology is being used to help people see again using bionic vision.
Series: "GRIT Talks" [Science] [Show ID: 39443]
Archaeological research in Mexico and Central America reveals insights into cultural practices, focusing on the history of body modification. Examining long-term patterns helps unravel motivations for adoption, change, and abandonment of these practices. The talk emphasizes how body modification histories in this region illuminate shared identities across linguistic, ethnic, and political boundaries, while also highlighting distinctions within regional traditions and individual societies. It suggests that indigenous societies viewed the human body as shaped by the community, challenging the notion of a universal boundary between the natural body and the social person. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39469]
This talk offers an overview of the many forms of permanent genital modifications embedded in human cultures, where they occur, the reasons why, the archaeological investigations of origins, and future trends. Included are female clitoridectomy, excision, infibulation, and other practices that affect about five percent of females worldwide; and the male practices that affect one-third of males: circumcision, superincision, and subincision. Why have so many cultures invented and preserved these modifications as part of their valued heritage? Controversies abound: the current human rights opposition to all female practices is met with backlash, and others question the “justifications” for continuing male circumcision. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39471]
Bioarchaeological studies of Pleistocene populations, examining practices like tooth ablation, facial piercing, and cranial modification, contribute to our understanding of social identities and population dynamics. Recent analyses of Ohalo II H2 in southwestern Asia and Oldupai Hominid 1 in Tanzania reveal dental evidence of intentional body modifications. Ohalo II H2 likely represents the earliest case of intentional incisor ablation in Southwest Asia, a common practice in Iberomaurusian and Natufian cultures. Oldupai Hominid 1 exhibits dental wear suggestive of facial piercings, a previously unknown practice in Late Pleistocene/Early Holocene East Africa. These early cases shed light on the cultural practices and social identities of Pleistocene populations. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39468]
Today, permanent body modification (PBM) is very popular. Studies suggest that well over a billion living people have experienced one or more types of PBM. But what is the history of PBM? When did the different types originate? Were they invented recently, or do they have a long history? Did they appear simultaneously or at different times? This presentation examines evidence in non-human animals and extinct hominins, delving into early archaeological and historical records of seven main PBM types: tattooing, scarification, amputation, piercing, genital modification, dental modification, and bone shaping. Strong evidence supports human PBM for at least 15,000 years, with intriguing hints suggesting a history dating back as far as 80,000 years. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39467]
Our ability to adapt our bodies to culture has ancient origins. We suggest a timeline for how the culturalization of the human body evolved, starting around 500-300 thousand years ago. This timeline highlights key moments at 140 thousand years, 70 thousand years, and 45 thousand years, followed by a faster pace linked to the rise of production economies. The underlying idea is a gradual growth in the complexity of technologies shaping the body, along with increased time and effort invested in obtaining and transforming necessary materials. Simultaneously, the development of symbolic codes required the creation of specific cognitive functions and neural circuits, allowing for the decoding of intricate messages conveyed by these cultural practices. These practices likely became more intricate in terms of techniques, symbolic codes, and the involvement of specialized individuals over time to ensure their continuation and potential further development. Series: "CARTA - Center for Academic Research and Training in Anthropogeny" [Humanities] [Science] [Show ID: 39466]
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