Frogs Help Us Understand Human Effects

Frogs and toads have lived on earth for more than 100-million-years. Theysurvived whatever extinguished the dinosaurs, yet in our age, they seem tobe vanishing. Reporting for the Great Lakes Radio Consortium, Mary Losure(low-sure) examines this scientific mystery, in the first of a three-partseries. It’s a detective story in which the victims are frogs, notpeople…but people may have a big stake in the mystery’s solution.Amphibians are sensitive indicators of environmental problems. If we canfind out what’s killing frogs, we may also learn if it will someday harm us: