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Protecting sharks from population decline has never been more important. Join us for a discussion about shark conservation with shark researcher Andy Nosal, recent Scripps Oceanography graduate and Birch Aquarium's new DeLaCour Postdoctoral Fellow for Ecology and Conservation. Learn about threats facing these essential marine predators, such as overfishing, finning, and negative public perception.

From the moment of birth, human infants require an inordinate amount of care and, unlike our nearest living relatives, remain dependent on a variety of caretakers during an unusually long maturation period followed by extraordinary adult longevity. How did such a distinctive pattern of development evolve and what other human features are linked to it? Katie Hinde (Harvard Univ) begins with a discussion about Breast Milk and Breastfeeding, followed by Sue Carter (Univ of North Carolina, Chapel Hill) on Oxytocin Pathways and Human Evolution, and Melvin Konner (Emory Univ) on Hunter-Gatherer Childhood and Human Evolution.

Conversations host Harry Kreisler welcome Nobel Laureate Carol Greider, Daniel Nathans Professor and Director of Molecular Biology and Genetics, Johns Hopkins University, for a discussion of her intellectual odyssey. Topics covered include her education; her Nobel winning research on telomeres and telomerase; the implications of this research for treatment of disease; science education; and women in science. Recorded on 03/04/2014.

Early detection of Alzheimer's disease - before symptoms are visible - may be a key to stopping the disease's progression. What warning signs are researchers looking for and what tools can they use? Paul Aisen, MD joins William Mobley, MD, PhD to discuss optimal assessments for diagnosing the disease, novel tools making earlier diagnosis possible, and the road map to developing drugs to slow, halt, and prevent Alzheimer's. Recorded on 7/29/2014.

NextGen Climate Founder and President Tom Steyer addresses the urgency and complexity of mitigating climate change. As a national leader in this space, Steyer addresses the intersection of technology and renewable energy policy and politics in effecting change on this critical issue. Recorded on 05/06/2014.

Computer modeling is a powerful tool for scientific inquiry when experiments are too costly, too dangerous, or simply impossible. Computational physicist David Richard describes how to build a computer model of a human heart, starting from an individual cell and then using data from an actual person to create a realistic representation of a beating heart. Learn some of the tricks and techniques used to combine the power of Sequoia's 1.6 million CPUs providing examples of how doctors and researchers may soon be able to use such simulations to investigate the effects of new drugs on cardiac rhythms or improve the success rate of complex surgical procedures.
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