Can a blood test tell patients if their cancer is coming back? Researchers are on it

During his months in custody since stabbing an 83-year-old woman to death in a frenzy of unprovoked violence outside her Ontario home, a teenager was involved in a fight after which he declared he “hasn’t felt this alive” since he committed his murder. His apparent deficit in remorse while relishing violence was highlighted by Crown prosecutors at his sentencing hearing on Tuesday. Eleanor Doney, whom many friends and family called Ellie, was raking leaves outside her home in Pickering, just east of Toronto, on May 29, 2025, when she was attacked by a 14-year-old boy dressed in a...