6.20 Chemistry: Samples for Analysis
Chemical detectives who identify rare diseases and develop more selective insecticides.
6.45 Geology: Interpreting Sediments
By studying gravel and sand beds geologists can determine the conditions in which the rocks were laid down.
7.10 Engineering: Structural Components
Testing a new pylon to ensure it won't fail when in service.
7.35 Science: Fires of Life
Examining the process of converting inorganic carbon to organic carbon.