Most people don't want to imagine an earthquake or deadly disease outbreak hitting their city, but for a team at Argonne National Laboratory, envisioning the worst is their job. Chicago Magazine recently profiled Argonne's Global Security Sciences division, including the Social and Behavioral Systems group led by CI Senior Fellow Chick Macal, which uses agent-based modeling techniques to simulate various types of disaster scenarios.
Inside the busy world of the cell, two of the most important players are actin and ATP. Actin is the most abundent protein in cells, and the cytoskeleton that it forms is responsible for a cell's shape and movement. ATP, adenosine triphosphate, is known as the cell's primary energy source, switching to ADP and donating the resultant energy to a wide range of cellular processes.