Things to Do DC October 15, 2021 5:29 pm DC Interactive Art Exhibit Gives Visitors a Look Inside the Brain ARTECHOUSE’s newest exhibition, “Life of a Neuron,” allows visitors to learn about neuroscience through technology-based art, News4’s Doreen Gentzler reports. Local 2:12 School's decades-old stem cell and bone marrow registration drive saves lives 1:40 Purple Light Nights show solidarity with domestic violence victims, survivors 22:07 Hurricane Helene bears down on Florida: The News4 Rundown 3:31 Violent threats made at Chipotle in Columbia Heights 2:45 DC cracks down on stores illegally selling cannabis