Robot widely used for prostate cancer and heart bypass surgery is investigated over safety concerns

Hi-tech robot used for cancer and heart bypass surgery is investigated over safety concerns after 'hitting patient in the face' The da Vinci robot is increasingly used by surgeons due to its accuracy Also credited with fewer side-effects and a quicker recovery time But is now being investigated by the U.S.

Forget brain training gadgets – just writing a letter or reading a newspaper is enough to keep your mind active into old age

Forget brain training gadgets – just writing a letter or reading a newspaper is enough to keep your mind active into old age The simple activities all helped stave off memory lossThose who also played chess, watched a play, or regularly visited the library had 'younger brains' PUBLISHED: 18:10 GMT, 26 November 2012 | UPDATED: 18:24 GMT, 26 November 2012 Researchers say that mental activities including writing letters all contribute to the health of the brain They have seen a surge in popularity of late, marketed as an entertaining workout for the grey matter, and credited with helping to reverse memory loss.