Under normal lighting conditions, this separatory funnel looked totally black. But when Lynn Stevens put it under an ultraviolet lamp, these distinct yellow and black phases revealed themselves.

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Brown University opened a new ...

One of the most ancient chemical operations carried out by humans is probably extracting aroma and flavor components from dried plant material. One of the most common examples is preparing a cup of ...