For centuries, humans have speculated about the existence of life on Mars. Jay Buckey is Research Associate Professor at Dartmouth Medical School, and a former astronaut who flew aboard the Space Shuttle Columbia in 1998, and was of three instructors who taught an interdisciplinary course at Dartmouth called ?Life on Mars.? The Mars course has a web site: http://www.dartmouth.edu/~humbio01/index.html
