In 1995, students discovered deformed frogs in south-central Minn., sparking research into potential causes that remains inconclusive.

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, Minn. — Seventeen years ago next month, school children made a gruesome discovery in south-central Minnesota. In the Ney Pond, an ordinary pond surrounded by cornfields and woods near ...

When a group of Henderson school children went on a nature field trip and discovered dozens of deformed frogs in a nearby pond, the environmental world took tremendous interest. Seventeen years later, ...

It's like a scene out of a Stephen King novel, begun in the nineties and continued at a more rapid pace in the oughts: scores of deformed frogs flopping around as best they can, found often near ...

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 ...

BURLINGTON A study of frogs in Vermont finds that those living near farms are more than twice as likely as those living elsewhere to have deformities such as missing legs. Yale University ecologist ...

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 ...

MADISON--A historical examination of amphibian deformities - frogs with extra legs growing out of the abdomen, for example - suggests that these aberrations are not a new phenomenon, but part of an ...

Explore the connection between toxic chemicals and living things as you read a comic strip about an investigation of frogs in Minnesota. Explain some of the ways biodiversity can be affected by toxic ...