Odor Box & Locust Mobile (video) Washington University in St. Louis Share Print E-Mail Loading video... Caption Explosive vapors were injected via a hole into a box where the locust sat in a tiny vehicle. As the locust was driven around and sniffed different concentrations of vapors, researchers studied its odor-related brain activity. Credit Raman Lab Usage Restrictions Usage allowed with proper attribution 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.