Sydney - Nature's story is usually one of symbiosis.

Different species hang around together, the better to spot predators. Big fish allow little fish to swim with them, the scraps from the master's table a trade-off for keeping the bigger ones free of fungal growths.

Australian researchers have been looking at a relationship where the benefit to the different parties is not so obvious, focusing on those orchid species that have parts resembling female wasps in order to attract the pollen that sticks to the legs of male wasps.

Sydney - Shopping, letter-writing, sex, music composition: there's not much you can't do on the computer these days.

Even archaeology.

Without leaving his Melbourne office, Australian David Thomas has become a world expert on the historical sites of Afghanistan's Registan Valley.

The La Trobe University researcher has pinpointed 450 sites that may have been well known to the Ghurid people in the 12th century. He's got not only the coordinates for forts, camp sites, reservoirs, dams, villages and farms but pictures as well.

Google Earth, a free service available on any modern computer, provided all the information.

Sydney - A Qantas flight bound for Manila on Saturday returned to Sydney and made an emergency landing.

An Air Services Australia spokesman said the pilot declared an emergency, dumped fuel and turned back shortly after take off.

"Air traffic controllers received a call from the pilot declaring an emergency and proceeded to give priority clearance for a landing at Sydney," the spokesman told Australia's AAP news agency.

The cause of the emergency is as yet unknown.

Sydney, Aug 1: ArcelorMittal, the world's number one steel company with 310000 employees in more than 60 countries, is now looking to expand its operations into Iraq.

The steel company is learnt to have submitted a proposal to rehabilitate a steel facility in southern Iraq, the country’s Minister of Industry and Minerals Fawzi Hariri said.

Washington, Aug 1: Acclaimed Hindu and Indo-American leader, Rajan Zed, has applauded Pope's remarks at World Youth Day in Sydney where he called to build a new age free from greed.

In a statement issued at Nevada (USA) today, Zed, who is president of Universal Society of Hinduism, said, "Greed is a form of pollution and is a transgression of spiritual and moral law. Disappointment is certain if some act is done merely out of greed. Excessive greed blinds the mind. Do not be disillusioned by wants."

Sydney- Baggage handlers at an Australian airport were criticised Thursday for letting a bag labelled "bomb" to make it onto the tarmac.