Moment police arrest teenager Brian Cohee who hid head of homeless man he murdered in closetHow to see a onceWho's a clever boy? Dogs excel in different intelligence tasksHow Christopher Nolan couldn't have won his first Oscar without his family's supportWoman's rare disease causes 20Georgia Steel risks an awkward runMajor NHS shakeRevealed: The countries with the highest levels of cybercrime in the worldSydney Police searching for an officer over disappearance of two menSix ways to use up surplus chocolate, meat and vegetables from Easter according to top chefs