[s2e3] Natural History -

The episode reveals that for every object on public display, approximately 3,000 items are stored behind the scenes. It features artifacts from the HMS Challenger's historic sea journey, many of which have never been seen by the public. Alternative "[S2E3]" Contexts

Depending on the specific series you are interested in, "S2E3" may refer to other "natural history" or science-related content: [S2E3] Natural History

Titled "Our American Storytellers" , this episode explores the genealogical history of Ken Burns, Anderson Cooper, and Anna Deavere Smith. The episode reveals that for every object on