Robot to Explore Pyramid Mystery - Fri Sep 13, 3:53 PM ET By DONNA BRYSON, Associated Press Writer

CAIRO, Egypt (AP) - A robot the size and shape of a child's toy train is exploring one of the enduring questions of Egypt's Great Pyramid: What lies at the end of a shaft first discovered by explorers in the 19th century?

--I hope it's not Al Capone's vault!