In 1967, Surveyor 3 landed on the Moon. Two years later, Apollo astronauts visited the little unmanned spacecraft and brought pieces of it home to Earth. Now, a portion of Surveyor's robotic arm, the scoop it used to sample moondust, is teaching researchers some long-lost secrets.
FULL STORY at
http://science.nasa.gov/headlines/y2008/20jun_apollorelic.htm?list1052465
