World-first trials are to begin in Australia using mosquitoes to fight dengue fever.

World Series schedule features earlier Game 3

World 800 metres champion Mbulaeni Mulaudzi has confirmed his withdrawal from the Delhi Games.

The world's rivers, the single largest renewable water resource for humans and a crucible of aquatic biodiversity, are in a crisis of ominous proportions, according to a new global analysis.

World chess body FIDE was to elect its chief Wednesday after a power struggle worthy of the bitterest clashes on the board between the controversial Kremlin-backed incumbent and an ex-world champion.

World Series Game 3 to begin before 7 p.m. on East Coast, earliest start since 1987 World Series - East Coast of the United States - Games - Video Games - Action

World stock markets fell Thursday amid mixed messages from the Fed on how to bolster the fading U.S. economy and after Spanish government debt was downgraded over worries about the country's finances.

The World Banks premier effort, the Word Development Report wont be available for meetings next week. World Bank chief Zoellick sent it back, marked up for revision.

World stock markets fell Thursday amid mixed messages from the Federal Reserve on how to bolster the fading U.S. economy and after Spanish government debt was downgraded.

World markets were mixed Thursday as investors booked profits at the end of a month of solid gains and amid upbeat signs about the U.S. economy. Ireland's announcement that it would sink billions more into its failed banks was greeted with equanimity.