Science and Technology Review May 2001

This issue contains the following articles: (1) ''Advanced Technology for Stockpile Stewardship''. (2) ''Uncovering Hidden Defects with Neutrons''--High-energy neutrons can effectively image heavily shielded objects that are essentially opaque to x rays. (3) ''The Human in the Mouse Mirror'' Comparative genomics may help us to better understand our genetic heritage and evolution, or why humans are human and mice are mice. (4) ''The NIF Target Chamber--Ready for the Challenge'' Good progress is being made on the construction of the world's largest laser. (5) ''Indoor Testing Begins Soon at Site 300'' The world's largest explosives chamber nears completion