More than a third of the world's population is online while mobile phone uptake increased by more than 600 million in 2011 to around six billion, a UN agency said Thursday.

Technology - Telecom

Oct 11, 2012 not rated yet 0

(Phys.org) -- Traditional cookstoves are to blame for much of the pollution that leads to millions of deaths in the developing world. Safer stoves are available, but few people buy them. Stanford researchers ...

Other Sciences - Social Sciences

Jun 12, 2012 5 / 5 (2) 6 |