There's no disputing that agriculture is a vital part of the state's economy. But you likely didn't know that it ranks behind several other industries when tallying Iowa's $165.8 billion gross state product. So, what ranks number one?

Iowa Economic Development Authority (IEDA) Director Debi Durham talked to a global audience in her recent interview with Bloomberg Radio. She discussed how our first-in-the-nation caucuses impacts the economy, the thriving biosciences market and you guessed it, Iowa's leading industry.

Hear the full interview now.