Key factor identified that makes worms feel full after a good meal (image) PLOS Share Print E-Mail Caption SKN-1B tagged with GFP can be seen in two chemosensory head neurons. SKN-1B acts in these neurons to sense food and elicit appropriate behavioural changes. Credit Tataridas-Pallas N, et al., 2021, PLOS Genetics Usage Restrictions CC-BY 4.0 (https://creativecommons.org/licenses/by/4.0/) Share Print E-Mail 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.