Tarsiers, five-inch-tall creatures found in Southeast Asia, produce calls that are entirely in ultrasound, above the range of human hearing, researchers find.

Tarsiers, five-inch-tall creatures found in Southeast Asia, produce calls that are entirely in ultrasound, above the range of human hearing, researchers find.

The average temperature in January in the United States was 36.3 degrees Fahrenheit -- 5.5 degrees warmer than the average for the 20th century.

The average temperature in January in the United States was 36.3 degrees Fahrenheit -- 5.5 degrees warmer than the average for the 20th century.

The average temperature in January in the United States was 36.3 degrees Fahrenheit -- 5.5 degrees warmer than the average for the 20th century.

The Nuclear Regulatory Commission voted 4-to-1 to grant a license to build two nuclear reactors in Georgia, the first time the commission had done so ... more