Kai Zhao, Monell Chemical Senses Center (IMAGE) Monell Chemical Senses Center Caption A bioengineer at the Monell Center, Dr. Zhao studies nasal airflow. Credit Monell Center Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.