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Sandra Encalada describes her work that interfaces the fields of cell biology, genetics and biochemistry in understanding the role of cellular motor-based transport in neurodegenerative diseases such as Alzheimer's.

This symposium presents varied perspectives from earth scientists, ecologists, and paleoanthropologists on how climate may have shaped human evolution, as well as the prospects for the future of world climate, ecosystems, and our species with Jeff Severinghaus on Abrupt Climate Transitions and Humans, followed by William Ruddiman on How Humans Took Control of Climate, and Charles Kennel on The Impacts of Arctic Sea Ice Retreat on Contemporary Climate. Recorded on 5/2/2015.

Taking action to reduce greenhouse gas emissions imposes costs now in order to avoid potentially very large costs from more severe climate change in the future. Steve Polasky, Professor of Ecological/Environmental Economics University of Minnesota, reviews major sources of uncertainty and how that alters the choice of optimal climate change policy. He discusses current debates on how best to frame climate change policy; whether it should be framed as setting limits on greenhouse gas concentrations to avoid potentially catastrophic damages or as an application of benefit-cost analysis.

An evening of conversation and celebration at the close of the 100th anniversary of the birth of Dr. Jonas Salk featuring his sons Jonathan and Peter, author Mary Walshok and Gary Robbins, science editor of the San Diego Union-Tribune. The panel reflects on how Jonas Salk, his wife Francoise Gilot and his Institute shaped San Diego and its fledgling biomedical community; the interplay between Salk and other leaders in building the civic infrastructure, and other remembrances from the Salk brothers about their father's discovery of a vaccine for polio.
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