The Gist - Changing More Than a Mayor

On The Gist, Chicago Tribune columnist Eric Zorn explains the likelihood that Chicago mayor Rahm Emanuel will resign, and suggests a possible plan B for protestors. For the Spiel, what we do and don’t need to know about presidential candidates and their families.  Today’s sponsors: Texture, the mobile app that lets you tap directly into the world's most popular magazines using your phone or tablet. Dive deeper into Vogue, People, Esquire, Time—with interactive content for a richer reading experience. Try Texture for free at Texture.com/gist. Squarespace.com. Get a free trial and 10 percent off your first purchase when you visit Squarespace.com and enter offer code GIST. Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at slate.com/gistplus.

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More or Less: Behind the Stats - WS MoreOrLess: Gravitational Waves

One of our 2015 ?Numbers of the Year? predictions might have come to pass. There is great excitement over rumours that one of the predictions Einstein made in his theory of General Relativity has finally been observed. But it?s not the first time it?s been reported that ?gravitational waves? have been discovered, and the last time proved to be an equipment test.

What is the total number of possible tweets that could be created from 140 characters? In a recent programme Professor John Allen-Paulos told us that when you take into account all of the symbols available, the total number of possible tweets is Googol^2.8 (which is a 1 followed by 280 zeros.) But has he missed some options?

Start the Week - Alaa Al Aswany on Egypt

On Start the Week Tom Sutcliffe talks to the Egyptian writer Alaa Al Aswany about his latest novel which charts the country's social upheaval through the prism of Cairo's elite Automobile Club of Egypt. The foreign correspondent Wendell Steavenson looks back at the Egyptian revolution as the crowds gathered in Tahrir Square in 2011. The political economist Tarek Osman explores how Islamism has spread through the Middle East, and what its future prospects mean for the region, while Professor Hugh Kennedy charts the rise of the Caliphate and how the so-called Islamic State uses the iconography of early Islam as propaganda.

The Gist - The Former Poet Laureate to Kim Jong-il

On The Gist, we bring you two favorite segments from the past year. First, a look at how propaganda thrives in North Korea from the perspective of Kim Jong-il’s former poet laureate, Jang Jin-sung. He’s the author of Dear Leader: Poet, Spy, Escapee—A Look Inside North Korea. For the Spiel, a rhyming response to Keith Ablow’s comments on Fox News.  Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at slate.com/gistplus.

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More or Less: Behind the Stats - Weekend Stroke Deaths

Health Secretary Jeremy Hunt said this week that if you have a stroke at the weekends, you're 20% more likely to die. But is that true? We look at the evidence.

Are you more likely to win prizes with newer Premium Bonds? We ask Radio 4?s Money Box presenter Paul Lewis if there is any truth in this.

A few weeks ago many newspapers were reporting that alcohol was the cause of 70% of Accident and Emergency attendances over the weekends. Did the newspapers misunderstand the research?

Why was the polling in the run up to the General Election last year so wrong? We speak to Professor John Curtice, lead author on a report using the 2015 British Social Attitudes Survey to see if they could come up with better data.

There is great excitement over rumours that one of the predictions Einstein made in his theory of General Relativity has finally been observed. We ask UCL physicist Dr Andrew Pontzen why this is big news.

Plus, is the air in Beijing is so bad that it's like smoking 40 cigarettes a day? We investigate.

The Gist - How to Spot a Con Artist

On The Gist, Maria Konnikova of the New Yorker explains how the best con artists make their victims emotionally invested. She’s the author of The Confidence Game. For the Spiel, all the self-flagellation Ted Cruz thinks was missing from Obama’s State of the Union address.  The Gist and Story Collider Event, Jan. 15: Coming up on Friday, Jan. 15, our host Mike Pesca and listener Frank Kennedy will be live onstage as part of the Story Collider STEM FEST. The show is sold out, but Slate Plus members are invited to a happy hour before the show. RSVP here.  Join Slate Plus! Members get bonus segments, exclusive member-only podcasts, and more. Sign up for a free trial today at slate.com/gistplus.

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