EPA superfund site, Brian Bienkowski

DDT cleanup continues for mid-Michigan town

The latest chapter in the St. Louis contamination saga is that the school athletic grounds, where kids practice football and softball, are being dug up after the discovery that they too are contaminated with DDT.

Robot fish to track real ones

The robots carry receivers that follow acoustic devices surgically implanted in fish. They also can monitor the growth of toxic algae in the Great Lakes.