Bell frog thought to be on last legs spotted alive and kicking-In the world of amphibians, it is the equivalent of finding the Tasmanian tiger. A species of frog presumed extinct for nearly 30 years has turned up in the Southern Tablelands.

Scientists fishing for answers-The East Australian Current is being studied for evidence of human impact on the marine environment, writes Deborah Smith.  It was a spring season to remember. Instead of the usual, goosebump-cold water, the ocean was a balmy 22 degrees in the September of 2006, which drew unseasonally large crowds to bathe at Sydney's beaches.

Common weedkiller turns male frogs into females-Atrazine, one of the most commonly used and controversial weedkillers, can turn male frogs into females, researchers reported on Monday.