This photo, taken by NASA's Curiosity rover, shows Mars' Gale Crater, where the rover has taken samples for chemical analysis. Scientists believe that at some point in the very distant past, there was a riverbed here.
NASA is finally receiving data on Martian soil samples from Curiosity, its rover currently traversing the red planet. The results from the soil samples hint at something exciting, but rover scientists are making very sure not to raise expectations.
When Egyptian President Mohammed Morsi was elected, some Egyptians jokingly referred to him as the Muslim Brotherhood's "spare tire." He was the backup candidate of the Islamist organization, whose first choice for the presidency was barred from running.
But Morsi has proved much more formidable than many Egyptians believed.
Originally published on Tue December 4, 2012 10:11 am
A few days ago, two big names in food policy squared off for a formal debate on the following proposition: There is a fundamental and irreconcilable conflict between the food and beverage industry's interests and public health policy interests on obesity.