How nuclear researchers handled -- and grossly mishandled -- the Cold War's most dangerous radioactive substances at a top-secret lab inside the Hunters Point Shipyard. The same shipyard the city wants to remake as San Francisco's newest neighborhood.

Newly released documents indicate the Navy dumped far more nuclear waste than it's ever acknowledged in a major commercial fishery just 30 miles west of San Francisco. Why won't the government even study the Farallon Islands Nuclear Waste Site?