SDPB's Cara Hetland welcomes Dr. Steve Smith, nano program director at the South Dakota School of Mines and Technology. Smith discusses nano engineering research.
Kristin Donnan Standard also appears on today's program to talk about the Hill City Architecture Symposium.
And, in a pre-recorded segment, SDPB's Charles Michael Ray visits with Dr. Hazel Barton of Northern Kentucky University. Barton is a biologist and leading expert on cave life and was the keynote speaker at the Western South Dakota Hydrology Conference. She talks about research which says that the lakes in the bottom of Wind Cave might just be the cleanest bodies of fresh water on earth.