![]() ![]() May 1, 2017: Federica Bertocchini, a molecular biologist from the University of Cantabria, Spain, tends bees in her spare time. This was published in the same journal, Current Biology, on August 7, 2017. Much more rigorous experiments are needed to prove it. However, they don’t rule out the possibility that the worms may be digesting plastic. Under the infrared spectrometer, fats and oils from these products clinging to the film gave similar readings as the original study. They followed the same protocol but rubbed egg yolk and ground pork on polyethylene film instead of mashed moth caterpillars. They point out the original study did not have adequate controls to rule out other influencing factors. Update (September 20, 2017): Three scientists from Johannes Gutenberg University Mainz, Germany, say the study doesn’t show clinching evidence that wax moths digested polyethylene and excreted ethylene glycol.
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