NASA's Mars rover Curiosity used its Radiation Assessment Detector (RAD) to measure radiation exposure on the way to Mars. Now, it's recording similar data on Mars' surface. This image is a composite self portrait taken on Feb. 3, 2013.
There was great fanfare when the Mars Science Laboratory launched in November 2011, and again when its precious cargo — NASA's Mars rover Curiosity — touched down on the red planet in August 2012.
The eight months in between had drama of their own. Curiosity was constantly bombarded with radiation as it traveled through space — high-energy protons thrown out by the sun, and galactic cosmic rays slicing through the solar system from distant supernovas.
U.S. shot putter Adam Nelson has been awarded a gold medal from the 2004 Athens Olympics, after his rival at those games, Yuriy Bilonog of Ukraine, was stripped of the victory last December for violating doping rules. The International Association of Athletics Federations and the International Olympic Committee made the change official Thursday.
In the more than eight years since it was written, the open-source operating system Ubuntu's "Bug #1" has been seen as a rallying call. After all, the bug's title is "Microsoft has a majority market share."
But the entry was officially closed Thursday, partly because the "broader market has healthy competition" as Ubuntu leader Mark Shuttleworth writes in his comments on closing the bug today.
At a time when many people live longer, it's been a mystery why white women without a high school diploma have been dying increasingly earlier those with more education.
A study in the June issue of the Journal of Health and Social Behavior tries to understand this growing mortality gap, and finds two key factors: smoking — already well known as detrimental to life expectancy — and, more surprising, unemployment.
All Things Considered's Found Recipes series isn't just about food. It's about drinks, too — including those that require a valid form of ID.
And the best cocktail is one that's well-balanced, according to bartender Chad Phillips. It will "leave you feeling completely satisfied and better about your life than the second you sat down at my bar," he says.
Technological developments in prenatal testing and screening methods have given women more information about the genetic status of their fetuses. Increased access to information can leave mothers and their partners with difficult choices about whether to continue or terminate a pregnancy.