This is SCIENCE FRIDAY. I'm Ira Flatow. Stem cell therapy, it seems, is always promising, promising to cure diseases or illnesses. And this week, a study using embryonic stem cells has increased the hope of fulfilling some of those promises.
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.
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.
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.
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.