Modest maths whizz keeps young mind at 92

Prestigious mathematician Wu Wenjun, 92, poses for a photo with his wife when traveling on August 16, 2011. [Photo/Xinhua]

Specials

US Vice-President Joe Biden visits China August 17-22.

Li Xing, China Daily's assistant editor-in-chief and veteran columnist, died of a cerebral hemorrhage on Aug 7 in Washington DC, US.

Robots are not new to industrial manufacturing. They have been in use since the 1960s.