COLUMBUS, Indiana, Aug. 15 -- Indiana University Columbus campus issued the following news: * * * Estonia trip teaches students about science, collaboration and culture Seven IU students spent part of their summer in Estonia, exploring practical applications of biopolymers alongside international researchers through a study abroad program led by J.D. Mendez, IU Columbus chemistry professor. - The program combined classroom instruction, laboratory work, field research, industry visits and cultural immersion. Students also earned credit for  more PR