LiveScience.com – Immortal Styrofoam Meets its Enemy: “Bacteria that have been found to eat Styrofoam”Yes just as you heard this maybe the future for Solid Waste Centers. The scientists fed this styrene oil (what Styrofoam is made of) to the soil bacteria Pseudomonas putida, which converted it into biodegradable plastic known as PHA (polyhydroxyalkanoates).