11 Aug 01. Male fish develop eggs in testes . 16 Jul 01 DDT use in United States linked to premature births in 1960s . Memory problems linked to PCBs in fish . Eating tainted fish curbs adult learning and memory .
Low hormone doses work .
Soy estrogen laces paper-mill wastes . Chemicals 'stunt sexual development' . U.S. signs toxic chemical ban . Bush finalizes delay of arsenic rule . Childhood's end .