CU investigating corn fungus link to birth defects LINCOLN, NE (NET Radio) - In some developing parts of the world where corn is a staple food, there is a concern over an increased risk for birth defects. A researcher at Creighton University Medical School in Omaha is trying to prove how the problem could be a naturally occurring fungus that grows on corn. Fred Knapp reports for NET News. © Copyright 2013, NET Radio