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Scientific American

Science Talk is a podcast of longer-form audio experiments from Scientific American--from immersive sonic journeys into nature to deep dives into research with leading experts.

Science Talk

On the eve of the United Nations Global Warming Conference in Copenhagen and in the wake of the hacked climate researchers' e-mails, former Scientific American Editor in Chief John Rennie discusses his ScientificAmerican.com article "7 Answers to Climate Contrarian Nonsense," available at http://bit.ly/8bg9Fx
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John Rennie's 7 Answers to Climate Contrarian Nonsense

In this episode New York University's Marion Nestle talks about her article in the September issue of Scientific American, called "Eating Made Simple." Plus, we'll test your knowledge of some recent science in the news. Web sites related to this episode include www.sciam.com/issue.cfm; www.whattoeatbook.com; www.foodpolitics.com
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Putting Food on the Table: What to Eat

In this episode, Brian Wansink, eating behaviorist and director of the Cornell University Food and Brand Lab, talks about "Mindless Eating" habits; and Doug Lane, who was once a youngster on the Mr. Wizard TV series, remembers his time with the late Don Herbert. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include www.mindlesseating.org; www.mrwizardstudios.com
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Why We Eat, Eat and Eat Some More; and Remembering Mr. Wizard

In this episode, journalist Susan Warren, author of the new book Backyard Giants, talks about the art and science involved in the Quixotic quest to grow the world's biggest pumpkins. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this podcast include: bigpumpkins.com; 60secondscience.com
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Quest for the Giant Pumpkin

In this episode, molecular biologist and journalist Trisha Gura discusses her new book, Lying In Weight, about eating disorders in adult, even elderly, women, as well as a small percentage of men. Plus we'll test your knowledge of some recent science in the news. Websites mentioned on this episode include www.trishagura.com; www.sciam.com/podcast
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Lying in Weight: The Hidden Epidemic of Eating Disorders in Adult Women (And A Few Men)

In this episode, Jeff Chester, executive director of the Center for Digital Democracy, talks about legislation that will decide the future of "network neutrality." Net neutrality means that transmission rates to and from all websites are the same, rather than some websites being able to steer traffic their way through faster rates. Also, Tim Berners-Lee spoke at the 15th International World Wide Web Conference, which took place last week in Scotland. The inventor of the web talked about net neutrality and the semantic web, whereby computers will sync their info about us seamlessly, saving us the work. Plus, New York City Mayor Mike Bloomberg made a strong, pro-science speech last week, and we'll hear a highlight. Finally, we'll test your knowledge about some other recent science in the news. Websites mentioned on this podcast include Center for Digital Democracy www.democraticmedia.org, Pro-net neutrality www.savetheinternet.com, Anti-net neutrality www.handsoff.org, World Wide Web conference www.www2006.org, Berners-Lee Scientific American article on the Semantic Web http://tinyurl.com/9w34, Mayor Bloomberg's pro-science speech http://tinyurl.com/lrvof, Scientific American http://blog.sciam.com, Scientific American website www.sciam.com.
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Future of the Internet: Net Neutrality, the Semantic Web, plus some comments on science by the mayor of New York.

In this episode, physicist and energy consultant Joseph Romm talks about the next generation of hybrid cars and his Scientific American article on that subject; biologist Matthew Cobb discusses a recently concluded science conference devoted to fruit fly maggots as models for genetics research; and journalist David Berreby talks about his book Us and Them: Understanding Your Tribal Mind. Plus, test your knowledge about some recent science in the news.
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Hybrid Cars, Drosophila Maggots, the Tribal Mind.

On this show, we’ve been talking about uncertainty from a variety of different angles.
We’ve heard how uncertainty can be a spark for creativity and scientific discovery.
We’ve discussed how uncertainty can go unseen and make science really difficult.
And we’ve explored some of the research techniques and habits of mind that researchers use to deal with uncertainty.
Today we’re going to end with two final questions: If science is always uncertain, how can we ever know anything? How can we have confidence in science if there’s always underlying uncertainty?
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Episode 5: How Do We Know Anything?

Science is an iterative process. Progress comes from people coming up with ideas that are sort of right and then new evidence and ideas coming in to update them to become even more correct.
Underlying this process is a willingness by scientists to accept that they might be wrong and be open to updating their ideas.
It turns out that social scientists have a term for this mindset. To find out more, I talked with two researchers who are studying this thing they call “intellectual humility.”
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Episode 4: This Simple Strategy Might Be the Key to Advancing Science Faster

Today’s episode of Uncertain is about the ways that studies can leave us overconfident and how “just-so stories” can make us feel overly certain about results that are still a work in progress. And sometimes studies get misleading results because of random error or weird samples or study design. But sometimes science gets things wrong because it’s done by humans, and humans are fallible and imperfect.
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Episode 3: When Uncertainty Hides in the Blindspot of Overconfidence

The World Economic Forum and Scientific American team up to highlight technological advances that could change the world—including self-fertilizing crops, on-demand drug manufacturing, breath-sensing diagnostics and 3-D-printed houses.
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