Nick Tarrant adjusts an 1850 bronze and gilt clock at the London Antique Clock Centre in Portobello Road, London as the  clocks go forward this weekend. Photograph: Philip Toscano/PA Wire

Switching over to daylight saving time, and losing one hour of sleep, raised the risk of having a heart attack the following Monday by 25 per c(...)

James Holmes, facing trial for the deaths of 12 people in a cinema shooting.  Photograph: RJ Sangosti/Reuters

Prosecutors will seek the death penalty against James E Holmes, the gunman accused of killing 12 cinemagoers in a suburb of Denver, Colorado la(...)