Google goes shopping for patentsGoogle has made a $900m bid for the patent portfolio of Nortel Networks, the bankrupt Canadian telecom equipment maker.The patents could help arm it against potential lawsuits aimed at its Chrome browser and Android mobile...

Radiation leak found outside Japan nuclear reactorHighly radioactive water has been found for the first time outside one of the reactor buildings at Japan's quake-hit Fukushima nuclear plant, officials say.The leak in a tunnel linked to the No 2 reactor...

Libya: Rebels battle for road to Gaddafi hometown SirteLibyan rebels are battling for control of the road leading to the heartland of government loyalists.The rebel army has been moving rapidly westwards, but came under heavy attack on the approach...

...