Solar scientist Sabrina Savage shares what we know about solar flares-- and how they can profoundly affect our daily lives. This talk was filmed at TEDxNashville. All TEDx events are organized independently by volunteers in the spirit of TED's mission of ideas worth spreading. To learn more about TEDxSHORTS, the TEDx program, or give feedback on this episode, please visit http://go.ted.com/tedxshorts.