Part of the Mars panorama released by NASA that combines 817 images taken by the panoramic camera on the Mars Exploration Rover Opportunity. (NASA/Courtesy)
Opportunity has been rolling around the Red Planet since January 2004, and this week its odometer hit 22.220 miles, pushing past the previous distance record set by the Apollo 17 moon rover in December 1972.
A new study has shown that pot smokers are skinnier than those who do not inhale marijuana. (Pablo Porciuncula/AFP/Getty Images)
Researchers at the University of Nebraska, the Harvard School of Public Health and the Beth Israel Deaconess Medical Center tested insulin, blood sugar levels, cholesterol and waist size in 4,600 adults.