Lettuce on the Menu for Mars (IMAGE) Norwegian University of Science and Technology Caption Wolff found that the plants can "smell" or detect how much nutrition is available when she ran experiments in climate-regulated growth chambers in the Netherlands. Photo: Silje Wolff Credit Silje Wolff, NTNU Social Research (CIRiS) Usage Restrictions with proper credit and only in association with articles about this research 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.