Seabirds can help track ocean pollution

By Stephanie PappasLiveScience The best tools for tracking how well pollution-reduction laws are working may be seabirds.Seabirds, including pelicans, gulls and terns, are at the top of the food chain, and they absorb the toxins and pollutants contained in the fish they eat, researchers write in Friday's issue of the journal Science. And because seabirds forage over wide areas of oceans but come b..