There's been an explosion in central Damascus today and there are reports of multiple deaths and dozens of injuries.
As always in Syria, where the regime of President Bashar Assad tries to control the news, it's difficult to get an accurate sense of just what is going on. The regime is blaming its opponents, who have been protesting against Assad since last spring. Activists are questioning whether the attack was staged by supporters of the regime to make the opposition look bad.
Researchers trudging down the long and twisted path toward an AIDS vaccine are encouraged by new studies that show an experimental vaccine protects monkeys against infection with a virus that is very similar to HIV.
Unseasonable temperatures and lack of snow have a lot of New Englanders singing the blues. In Maine, snowmobiling, ice fishing, and Nordic skiing are a big part of the winter economy. Downhill ski areas are making due with man-made snow, but those other industries have no choice but to wait for Mother Nature.