Digital dilemma: How will US respond to Sony hack?

The detective work blaming North Korea for the Sony hacker break-in appears so far to be largely circumstantial, The Associated Press has learned. The dramatic conclusion of a Korean role is based on subtle clues in the hacking ...

Andes glaciers, ailing giants hit by climate change

Like ailing giants, the tropical glaciers of the Andes Mountains are melting at worrying speed, raising scientists' fears that many will disappear before anything can be done to save them.

Four new tuco-tuco species found in Bolivia

A research team led by Scott Gardner of the University of Nebraska-Lincoln has identified four new species of Ctenomys, a genus of gopher-like mammal found throughout much of South America.

Extinct kitten-sized hunter discovered

A Case Western Reserve University student and his mentor have discovered an ancient kitten-sized predator that lived in Bolivia about 13 million years ago—one of the smallest species reported in the extinct order Sparassodonta.

Age-old indicators under stress in high Bolivia

(AP)—For centuries, farmers in the fragile ecosystems of the high Andes have looked to the behavior of plants and animals to figure out what crops to grow and when.

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