An Australian paleontologist has discovered a mineral, long thought to be found only on the moon, in a billion-year-old rock formation in Western Australia.

HOPKINTON, Mass., Aug.

PERTH, Australia, April 30 /PRNewswire/ -- Parents are being warned that computers may be causing physical problems for their children. The warning comes in a set of 12 new evidence-based guidelines - the first of their kind - produced by an international team of experts led by Professor Leon Straker of Curtin University of Technology. The team, with representatives from Harvard University, the University of Queensland and the University of Washington, has researched the guidelines for more than 10 years.

A top Australian expert warned that Indonesia's devastating 'mud volcano' could keep spewing for the next 30 years, filling the equivalent of 50 Olympic-size swimming pools every day.

An extensive study of how the nursing profession has been portrayed in films over the last century has shown that unflattering stereotypes are becoming less common and nurses are now being portrayed in a more positive light.