The frogs were all wrong. Located in a small pond in Henderson, Minn., the amphibians discovered by a middle school class had legs growing out of legs, missing eyes, bent spines and contorted jaws.

HENDERSON — Because of the oft-times controversy that surrounded the search for the cause of those frog deformities, the Minnesota Pollution Control Agency asked for a tempered association with that ...

It was back in 1995 that a group of Minnesota middle schoolers shocked the scientific community when they returned from a field trip to report that more than half the frogs they'd captured had major ...

Now there’s another good reason for controlling farm runoff. Scientific research has clarified the role of agricultural chemicals in causing deformities in frogs and other amphibians. Alarm over the ...

Brandon Ballengée made these beautiful prints of “terminally deformed frogs found in nature” using a clearing and staining process. He then scanned the bodies with a high resolution scanner. The ...