This video illustrates what can happen in a court room when chain-of-custody procedures for collecting evidence are either ignored or not carried out properly.

In this learning activity, you will learn what supply chain management is, four main links that make up the supply chain, and explore examples of how effective supply chain management works.

In this animated object, learners examine how to establish an effective supply chain that builds customer loyalty.

This interactive activity represents the grid modeling technique, a heuristic model for choosing a centralized location for a manufacturing or distribution center within a supply chain network. The formula calculates a central point between the suppliers and the markets. This object requires the latest version of Flash Player.

In this interactive object, learners identify nursing actions that help to prevent the spread of infection.

Learners examine the basic types of dimensioning including unidirectional and aligned systems, and linear, aligned, angled, arrowless, chain, datum, chart, tabular, radius, diameter, typical, and reference dimensions.

Students read about the process of hair growth beginning with the joining together of amino acids.

In this screencast, learners examine the properties of the peptide bond and how the bond relates to the structure of hair.