Retailers have used various techniques to analyze in-store buying behavior, such as surveys, video surveillance, and buyer reward programs. Some stores have been tapping into the technology in smartphones to track shoppers' actions. New York Times reporter Quentin Hardy discusses how they're doing this and what information they can gather.
In a study published in The New England Journal of Medicine, researchers reported an association between daily nut consumption and a reduction in the risk of dying from cancer, heart disease, and other major chronic diseases. Lead author Charles Fuchs discusses these findings.
When astronomers spotted Comet ISON in 2012, some christened it the "Comet of the Century." It initially failed to live up to the hype. But this month, ISON blazed brighter and sprouted several tails. Astronomers like Andrew Fraknoi are following the comet as it scrapes past the sun, where it could be destroyed--or emerge, even more spectacular than before.
In the Leidenfrost Effect, a water droplet will float on a layer of its own vapor if heated to a certain temperature. This common cooking phenomenon takes center stage in a series of playful experiments by physicists at England's University of Bath, who discovered new and fun means to manipulate the movement of water.
Upcoming NASA budget cuts may force the agency to choose between two of its flagship planetary missions--the Mars Curiosity rover and the Cassini mission to Saturn. Wired reporter Adam Mann discuss how much it takes to run these missions and what discoveries we could miss out on.
This is SCIENCE FRIDAY. I'm Ira Flatow. Those of us of a certain age can remember exactly what we were doing on a Friday this hour 50 years ago when we heard the news. President Kennedy's assassination horrified and transfixed the nation. It was murder in plain sight, seemingly the easiest kind of crime to solve. But 50 years later the basic facts of the case are still debated.
A new kind of telescope buried deep beneath the ice of Antarctica has, for the first time, seen a signal from distant, violent events. In doing so, it is beginning to paint a picture of a part of our cosmos that has never been observed before.