SciChallenge: Using Student-Generated Content and Contests to Enhance the Interest for Science Education and Careers. - Sabri Pllana; Florian Huber; Zdenek Hrdlicka; Christos Mettouris; Asja Veber; Zsófia Ocsovszky; Chris Gary; Eleni Boulomyti; Phil Smith (CoRR, 2016)