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Ancient and unhurried, long-lived and majestic, turtles — some individuals living longer than 200 years — have a lineage that stretches back to the time of the dinosaurs. In literary terms, turtles are "the perfect conduits for meditations on aging, disability, and chosen family," according to Scientific American. Such meditations suffuse the book Of Time and Turtles: Mending the World, Shell by Shattered Shell. Author Sy Montgomery and illustrator Matt Patterson join BookShop West Portal, the Turtle Survival Alliance, and Wonderfest for this special book event.

Sy Montgomery is the author of 16 non-fiction nature titles, including The Soul of an Octopus, a National Book Award finalist. She has been honored with a Sibert Medal, three honorary degrees, and two Science Book and Film Prizes from the American Association for the Advancement of Science.

Despite implications of the prefix "uni," many scientists now think that there might be more than a single universe! Our universe may be just one example in a far larger "multiverse," but an unusually complex one that is conducive to the existence of life. Come learn — and inquire — about the relevant lines of reasoning and their profound implications.

Our speaker, Dr. Alex Filippenko, is one of Earth's most highly cited astronomers. He was the only person to serve on both teams that simultaneously discovered the Nobel-worthy accelerating expansion of the universe. Alex earned Wonderfest's Carl Sagan Prize for Science Popularization, and he was voted UC Berkeley's "Best Professor" a record nine times!

Every second, we encounter enormous amounts of sensory information. How does the brain extract the most relevant bits from this information firehose? Attention is one important brain mechanism for selecting certain aspects of the environment for enhanced processing. A better understanding of attention's effect on perception improves a wide variety of human activities, including making policy for cell phone use while driving, improving performance of airport luggage screeners, and optimizing teaching methods in the classroom.

Our speaker is Dr. Michael Silver, Professor of Neuroscience and of Optometry & Vision Science at UC Berkeley. Dr. Silver also directs Cal's Center for the Science of Psychedelics.

Since 1950, when physicist Enrico Fermi casually posed the question, the mystery has only deepened: Why hasn't ET visited us? Current evidence and reasoning suggest that life has been evolving in the cosmos for billions of years. Moreover, low-speed interstellar travel requires relatively modest technology. So why is the UFO evidence so poor, and the success of SETI so ... negative? This special Wonderfest event will feature more "audience participation" than usual. Bring your questions — and possible answers — to address Fermi's fabulous question.

Our host and speaker is Dan Werthimer, Chief Technologist at the Berkeley SETI Research Center. Dan is a SETI pioneer who has earned Wonderfest's Carl Sagan Prize for Science Popularization.

The nearest black hole lurks 1,500 light-years from Earth (~ 10 quadrillion miles!), and it neither emits nor reflects light. How can we possibly detect — far less investigate — such wondrous holes in the fabric of spacetime? High-precision astrometry is the key: adaptive optics allow ground-based telescopes to see through our turbulent atmosphere using ordinary light, and space telescopes provide high-resolution images in other parts of the electromagnetic spectrum. Today, high technology affords astronomers many ways to discover and explore the intriguing space around black hole singularities.

Our speaker, Dr. Jessica Lu, is Associate Professor of Astronomy at UC Berkeley. She also runs Cal's Moving Universe Lab, and she chairs the Astronomy Department.

Human minds love to discover patterns, to find intuitive explanations, and, most of all, to be certain. Yet our world is complicated and filled with randomness. Statistical thinking provides us with practical tools for making sense of an uncertain world. It can lead us to make surprising conclusions from the data of everyday life. And it also teaches us useful humility in the face of uncertainty.

Our speaker, Dr. Jacob Bien, is Professor of Statistics at the University of Southern California. He is also a founding member of Wonderfest's Board of Directors.

As poet Carl Sandburg observed: "The fog comes on little cat feet. It sits looking over harbor and city on silent haunches, and then moves on." What is the nature of The City's renowned Karl the Fog? Do those super-fine droplets consist of more than just water? Why does our beloved(?) Karl creep over the Bay Area so often, and will that creeping continue in light of climate change?

Our speaker, Alicia Torregrosa, knows Karl inside and out. As Program Officer at the U.S. Geological Survey, Alicia is a physical scientist who led the USGS Pacific Coastal Fog Project, yielding an international and interdisciplinary expansion of coastal fog research.

What can we do, today, to improve muscle strength and, accordingly, to increase healthy longevity, i.e., healthspan? It starts by understanding the science of strength and of muscle function, and then appreciating how muscle changes with aging. Ultimately, we find that healthspan increases with simple and effective evidence-based strategies for improving muscle health and function.

Our speaker, Dr. Greg Tranah, PhD, is Professor of Epidemiology & Biostatistics at UC San Francisco, and Scientific Director of Biobanking at Sutter Health.

Do spiders deserve much better press? Modern media tend to portray spiders as eight-legged, multi-eyed terrors. With deeper exposure, and open minds, can we come to see the beauty and benefits of our arachnid aquaintances? UC Berkeley scientist Trinity Walls thinks so. Her life-long journey — from curious child to rigorous researcher — reveals spider science to be an avenue of creative self-expression that offers rich insights into nature and society.

Our speaker, arachnologist Trinity Walls, is a PhD candidate in UC Berkeley's Laboratory of Animal Communication and Behavior. She is also a Wonderfest Science Envoy!