Talk of the Nation

This week solar flares sent a huge blast of X-rays and charged particles screaming towards the Earth. Solar astronomer David Hathaway and physicist Doug Biesecker discuss the sun's explosive behavior, and how that 'space weather' affects satellites, airplanes and the electric grid.

Transcript

IRA FLATOW, HOST:

Imagine walking into Jamba Juice for your favorite smoothie fix, and when it's time to pay, instead of pulling out cash or a credit card, you just tap your phone on a reader, and you're ready to go. Better yet, when you tapped your phone to pay it, it also redeems an electronic coupon stored in your phone, so you end up paying even less. Yeah. Well, people in fact can already do this at Jamba Juice using Google Wallet on certain Android phones. You can use it at Macy's, Bloomingdales, Duane Reade.

Discover the secret life of ice--what makes it cloudy or clear, why cracks form on ponds. Science Friday visited Queens ice sculptor Shintaro Okamoto in his studio and spoke with ice researcher Erland Schulson, of Dartmouth University, to find out why ice is an interesting subject for artists and scientists.

Reporting inThe Lancet, researchers write that a preliminary study shows embryonic stem cell therapy in two patients with macular degeneration was safe. Results suggest the patients' vision improved slightly. Dr. Robert Lanza, Chief Scientific Officer of Advanced Cell Technology and co-author of the study, discusses the trial.

A 33,000-year-old skull of a "wolf on the way to becoming a dog" was found in a Siberian cave. Evolutionary Biologist Susan Crockford, co-author of a study about the skull in PLoS ONE, discusses why the discovery challenges common beliefs about dog domestication.

In his book, Reinventing Discovery: The New Era of Networked Science, Physicist Michael Nielsen discusses why scientists jealously guard their data and are slow to adopt online tools for collaboration. Nielsen talks about why attempts to create science wikipedias have failed.

Best-selling author Walter Mosley's book All I Did Was Shoot My Man tells the story of a woman trying to get her life back on track after serving an eight-year prison sentence. Leonid McGill, a private investigator, knows she is innocent and tries to help her start over.

When planning a wedding, couples must make scores of important decisions — from whom to invite to how to pay for it. Even the hardiest of partners can feel a little lost. Author Meg Keene's new book focuses on the meaning of marriage, at least as much as flowers and cake.

Increased violence by the radical Islamist group Boko Haram threatens to ignite a wider Muslim-Christian conflict in Nigeria. Africa's most populous country also continues to face persistent problems with the economy and corruption.

As baby boomers age and young people struggle to find work, more families than ever before are choosing to pool resources by moving in together. The economic downturn accelerated this already growing national trend toward multiple generations living under the same roof.