 Figure 2: “Dollar spot” of turf grass caused by Sclerotinia homoeocarpa. Photo Credit: Dr. Joseph Roberts Turfgrass landscapes are a major component of our beloved parks, sports fields, golf courses, and historical monuments. Dr. Joesph Roberts, an assistant professor at the University of Maryland, is currently investigating the microbial communities present on the turfgrass of the National Mall in Washington D.C.. Dr. Roberts' research is fighting to keep our beautiful landscapes looking like the "American dream" and not like an American wasteland.
Horseshoe crabs (Order: Xiphonsura) were once thought to be a relatively static, unchanging group of organisms. Dr. Lamsdell of the University of West Virginia, however, fundamentally changed the way we view horseshoe crabs through his paleotonoligcal research on their dynamic evolutionary history.  Left: Extinct genus of horseshoe crab (Mesolimulus) Right: Extant genus of horseshoe crab (Carcinoscorpius  Dr. Dilip Venugopal, AAAS Science & Technology Policy Fellow US Environmental Protection Agency Since 2007, the US has ramped up biofuels production citing reduction of greenhouse gas emissions and decreased dependence on foreign oil as goals. While biofuels can have positive environmental impacts, the rapid increase in corn and soy acreage and intensity has had unintended consequences. As an AAAS fellow at EPA, Dr. Dilip Venugopal studies the impacts of biofuels standards programs.
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