The perfect cookie? 3D-printed cookies made from upcycled plastic waste The Guardian | August 31, 2026

https://geneticliteracyproject.org/2026/08/31/the-perfect-cookie-3d-printed-cookies-made-from-upcycled-plastic-waste/ Scientists at Southern Illinois University Carbondale have found a way to turn plastic bottles and crop waste into protein-rich cookies, an unlikely fix for feeding astronauts on long missions, reports Hannah Devlin for The Guardian.