NPR News

Research already demonstrates that physicians are sometimes uncomfortable talking about weight with their obese patients. Now, a new study shows that the doctors' weight makes a difference too.

Physicians who pack on the pounds discuss weight loss less frequently with obese patients than doctors who have normal body mass indexes (18 percent versus 30 percent), according to the report published this week in the medical journal Obesity.

One of the more dramatic moments in Thursday night's Republican presidential debate was when Mitt Romney said it was "repulsive" of Newt Gingrich to suggest that Romney was the most "anti-immigrant" candidate among the GOP contenders.

Fitch Ratings announced it was cutting the ratings of Italy, Spain, Belgium, Slovenia, and Cyprus.

Italy and Spain, two of the biggest eurozone economies, suffered a two-notch drop. Italy went from A+ to A- and Spain went from A to AA-.

Bloomberg reports:

If winter has you daydreaming of a vacation to sunny lands, you might want to consider the risk of dengue fever in your plans.

The number of cases of the disease, a severe flu-like illness with excruciating headaches, joint and muscle pain, is soaring, according to an update from the World Health Organization.

Now more than 40 percent of the world's population is at risk — 2.5 billion people, according to the group. In 2010, there were 1.6 million cases in the Americas alone.

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.