Experiments come in many shapes and sizes, but they all have special considerations and constraints that need to be meticulously planned for before any field or lab work can begin. Ideal viewing before undertaking their own STEM investigation, viewers will re-join four scientists researching different angles of urban light pollution as they talk through the planning behind their experiments and the types of evidence they collected.

Originally released by ClickView/VEA, 2019. Streaming video file encoded with permission for digital streaming by Infobase on December 18, 2019.

Collecting the Evidence (7:39); .