Scientists turn plastic into biscuit-shaped object

Scientists from the University of Southern Illinois have developed a technique to directly convert plastic into biscuit-like pieces using biologically engineered yeast. The idea is to decompose polyethylene terephthalate (PET) used in beverage bottles into simple molecules, then use those molecules to produce edible proteins with vanilla flavor. The goal of this research is to develop food made from plastic waste to supply spacecraft, especially those heading to Mars, while also exploring the potential to provide sustainable food sources on Earth. The produced items are currently being tested to ensure their safety for human consumption, noting that the vanilla flavor used in some foods is often derived from unconventional sources such as fossil fuels.

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