March for Science Iowa, a new local branch of the national pro-science movement, plans a presentation on virtual reality at a fundraiser April 18 and a rally on the west side of the Iowa Statehouse April 22, Earth Day. The events are part of the March for Science planned in Washington, D.C., the same day. Organizers say the event is nonpartisan and intended to promote the importance of science in democracy. The Des Moines March for Science Iowa is set for noon to 4 p.m. April 22, and will include presentations by scientists and researchers.  A fundraiser lunch at Noah's Ark restaurant from 11:30 to 1 p.m. April 18 will feature  James Oliver, who will speak about his work at the Virtual Reality Applications Center at Iowa State University. Tickets required. Details can be found on Facebook or Eventbrite.