This week on Factually we're re-releasing one of our favorite episodes, in which Adam and renowned behavioral neuroscientist Judith Grisel discuss their battles with addiction, the neuroscience of how substance dependence works in the brain, and how the brain changes after recovery.

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The California Camp Fire was the deadliest and most destructive wildfire in California's history. This week investigative reporter Lizzie Johnson is on the show to discuss her firsthand experience reporting on the fire and its destruction. You can check out her book, Paradise: One Town's Struggle to Survive an American Wildfire, at factuallypod.com/books.

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In just a few years, the Chinese government has wiped out the political freedoms once promised to Hong Kong. How did this happen, and what is next for the city? On the show this week to help answer these questions is Notre Dame professor and Hong Kong native Victoria Hui. Check out her twitter @victoriatinbor and learn more about Hong Kong's fight to keep its autonomy at https://hkdc.us/

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Ever since he was diagnosed as a kid, Adam has wondered if ADHD is a serious psychological condition, or a false diagnosis pushed by an overzealous industry. This week Dr. Stephen Hinshaw, Professor of Psychology at the University of California, Berkeley is on the show to help answer these questions. You can check out his book The ADHD Explosion: Myths, Medication, Money, and Today's Push for Performance at factuallypod.com/books.

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Everywhere you look, some pundit is claiming that AI is soon to replace humanity. But is that really inevitable - or are we choosing to make it happen? Technologist Glen Weyl joins Adam to discuss why he believes AI isn’t really a technology - it’s an ideology.

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Journalist Jesse Eisinger joins Adam to explain how he and his colleagues at ProPublica exposed how little billionaires pay in taxes – often, nothing at all – and the underhanded techniques they use to do it.

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LA Times reporter Johana Bhuiyan joins Adam to explain how Ring built a private surveillance empire by promising kickbacks to an unlikely accomplice: the cops.

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Seashells may seem like a small topic for a book, or a podcast. But when we look into them deeply, we find that they reveal startling truths about our oceans, our planet, and ourselves. This week Cynthia Barnett joins Adam to talk about the surprising history of seashells and her new book The Sound of The Sea. You can check out her book at factuallypod.com/books.

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What are our moral obligations to nature, and the wild animals that live in it? Should we vaccinate them? Should we feed them when they're starving? Should we kill so called "invasive" species? Emma Marris is back this week to discuss her new book Wild Souls and the complex ethical dilemmas surrounding our relationship with wild animals. You can check out her book at factuallypod.com/books.

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Tesla and other automakers have convinced the public that fully automated vehicles are just around the corner. But what if … they aren’t? Dr. Missy Cummings, AI researcher and director of the Humans and Autonomy Laboratory at Duke, joins Adam to detail the massive gap between Silicon Valley's promises and the technology’s limitations, and explain the real benefits that might come when we use AI to enhance human capability rather than replace us.

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