Mercury is not the first planet to come to mind if you were searching for ice in the solar system. After all, the surface temperature across most of the planet is hot enough to melt lead.
But at the poles on Mercury it's a different story. Almost no sun reaches the poles, and as a result, temperatures can drop to less than -100 degrees Fahrenheit. Now, three papers in the journal Science suggest there really is ice at the bottom of craters near the poles on Mercury.
Only one day a year is called World Aids Day, but until this disease is eradicated, perhaps every day should be World Aids Day. For now, that's not going to happen. However, the Western North Carolina Aids Project has been commemorating World Aids Day for a week, and activities will continue through December 3. This week I spoke with Pam Seikman about what WNCAP is doing to mark this saddest of days for people all over the world. Tune in to see what you can do to help fight this cruel disease.
These developments come after a series of rebel victories in recent days and suggest that President Bashar Assad's government is facing increased pressure from the rebels in an uprising now 20 months old.
The explosion in world popularity of quinoa in the past six years has quadrupled prices at retail outlets. But for all the demand from upscale grocery stores in America to keep their bulk bins filled with the ancient grain-like seed, almost no farmers outside of the arid mountains and coastal valleys of Peru, Bolivia, Ecuador, and Chile grow it.
But plant breeders and scientists who study the biology and economics of quinoa say that is about to change.
An online video, urging Africans to save Norwegians from frostbite, has gone viral. The tongue-in-cheek spoof features South Africans singing about sending radiators to Norway. The filmmakers hope to take on stereotypes of Africa that are reinforced by charities and the media. Host Michel Martin speaks to Erik Evans, one of the video's creators.
The Bush-era tax cuts are taking center stage on discussions about deficit reduction. But the payroll tax holiday is also at risk, which could cost the typical family $1,000 a year. Host Michel Martin talks with The Wall Street Journal's Sudeep Reddy about the fiscal cliff and how the outcome could affect consumers.