This National Public Radio story (7 min 47 sec) works on many levels.
— It explains that scientific studies have limits. They can only report on what was found, not on what was not or on the ramifications of the findings. They report only the findings.
— It uses a discussion format, rather than a narrative, to explain terms and concepts.
— It includes comments and questions from listeners.
— It helps define the terms. “Organic” has a regulated definition.