Many in West fear wolf reintroduction

Some 900 wolves roam Idaho, Oregon, Montana, Wyoming and Colorado thanks to a federal program that reintroduced and protected the wolf in the West.

Washington proposes nuclear reprocessing

Radioactive waste reprocessing from U.S. nuclear power plants, which has never worked in the United States, is being proposed in Washington.

Smart polymer helps surgeons

A German researcher has created a "smart" polymer surgeons can use to close stitches from inside the body of a patient.

Scientists explain mass whale strandings

Volatile weather, unfamiliar territory and strong social support are all causes of the centuries-old mystery of mass whale beachings, scientists say.

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