Without the ability to conduct global - scale experiments in the lab or in the field, models are the only tools they have. (blogs.nature.com)
Since then the project has continued to make waves with «big picture» science that often reveals consequences and impacts on pollution on ecosystems that small scale experiments can't. (thetyee.ca)
We conducted a small - scale experiment with students in a teacher education program that compared these two interactive video methods to each other and to a no - video control group. (citejournal.org)