This week, how high tech concepts like 4-D imaging are combining with ancient engineering technology from bees, and leading the way toward better, stronger, and safer structures  from buildings to bridges.

To find out how, listen to our conversation with Purdue University Professor of Materials Engineering, Dr. Nikhilesh Chawla, who is also the acting head of their Engineering Department.

Dr. Nikhilesh Chawla. Purdue University