PENN STATE IMAGE: KATHRYN ATKINSON, A PATIENT AT HOUSTON METHODIST HOSPITAL, PARTICIPATES IN A SMARTPHONE SCREENING TEST TO ANALYZE STROKE-LIKE SYMPTOMS SHE’S EXPERIENCING. THE TEST IS POWERED BY A MACHINE LEARNING ALGORITHM DEVELOPED. UNIVERSITY PARK, Pa. — A new tool created by researchers at Penn State and Houston Methodist Hospital could diagnose a stroke based on abnormalities...