Bringing Science and Soccer to Riverside Monday, March 14, 2016 Students in Escondido, California, combine soccer with science. Photo by Steve Puterski. Image courtesy of Steve Puterski/The Coast News Group. Elementary schools in Riverside, California, are seeing better behavior on the playground, thanks to Soccer & STEM, a program developed in part by associate professor Ricardo Valerdi. Read more in The Press-Enterprise.