S3 Episode 03: MADScientists: Fertilizers and Water Quality by NaperParks published on 2018-05-10T21:56:02Z Four sixth grade students in Naperville, Illinois discuss their experiment comparing phosphorus runoff from natural and artificial fertilizers. They entered their research in the U.S. Army’s eCyberMission competition. As one of only five sixth grade National Finalist Teams, they will compete in nationals in Virginia the week of June 17-22, 2018.