They also found that a healthy diet -- low fat and high fruit and fiber intake -- and exercise were linked to fewer gastrointestinal symptoms. But that was only part of the answer. After a more sophisticated analysis, one factor emerged as the most important predictor of gut symptoms: exercise.
On April 21, 2008, lights were again reported over North Phoenix by local residents. According to witnesses, the lights formed a vertical line, then spread apart and made a diamond shape. The lights also formed a U-shape at one time.
Phoenix was a robotic spacecraft on a space exploration mission on Mars under the Mars Scout Program. The Phoenix lander descended on Mars on May 25, 2008. Mission scientists used instruments aboard the lander to search for environments suitable for microbial life on Mars, and to research the history of water there.