China seeks explanation on Spanish arrest order for ex-prez

China on Wednesday sought a clarification from Spain over a ruling by a Spanish court issuing arrest warrants against former Chinese president Jiang Zemin and four others for alleged genocide......

Ultra-superfast 5G broadband may become a reality

Researchers are investigating how software-defined cellular networking might be used to give smartphone users the next generation of super-superfast broadband - 5G. Currently, the fourth generation......