Martha Calvert (IMAGE) Virginia Tech Caption Humans can experience upwards of 10,000 unique aromas in both food and beverage, and Martha Calvert ran a study to narrow down that number for hard cider. Credit Photo by Alex Hood for Virginia Tech. Usage Restrictions Credit Virginia Tech License Original 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.