Oileating (IMAGE) Kazan Federal University Caption Dark-field image of crude oil droplets (a) and hyperspectral dark-field image of nematode intestine merged with hyperspectral crude oil mapping (b), obtained using reflected light spectra of intact crude oil and oil in intestine of C. elegans nematode (c). Dark-field microscopy images demonstrating the localisation of crude oil in the Dauer larvae nematodes' intestines after incubation for 42 h from L1 larvae stage: inside the foregut (d); in the midgut (e) and inside the hindgut (f). Credit Kazan Federal University 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.