Simone Biles July 30, 2021 12:23 am Simone Biles Says She Still Has the ‘Twisties' Answering fan questions on her Instagram, U.S. gymnast Simone Biles says she is still struggling with the ‘twisties’. Local 1:53 What is a geomagnetic storm and how does it cause the Northern Lights? Here's what to know 2:13 Chicago Forecast: Great Mother's Day weekend weather 2:11 Father shot and killed on the way to work during Dunning attempted robbery 1:53 Solar storm produces breathtaking Northern Lights display 3:06 NBC 5 Nightly Update: Friday, May 10