North Texas September 15, 2017 4:25 pm UTSW Uses Heat to Fight Infections on Metal Joints Scientists at UT Southwestern have created technology that they say can help zap infections on artificial joints. Wake Up to Something Good 2:25 Superintendents work to improve safety in North Texas schools 3:37 Texas tornadoes caught on video 7:16 Severe storms bring tornadoes, flash flooding, hail and lightning to North Texas 4:27 ‘My house, gone,' Texas resident recounts returning home after reports of a tornado 1:12 WATCH: Texas gorilla caught ticking her baby during adorable mother-son moment