This recent breakthrough from the University of Tokyo marks a significant milestone in the nascent field of lab-grown meat. While current cellular agriculture products are limited to small, diced pieces, UTokyo researchers have successfully tackled the challenge of growing a larger piece—a nugget-sized chunk of chicken—by solving the critical nutrient-delivery problem. They achieved this by engineering a faux circulatory system using tiny, permeable tubes woven throughout the meat, effectively providing every cell with the necessary nutrients and oxygen for sustained growth. This experimental nugget, which is likely the largest piece of cultured meat grown to date, brings the industry one major step closer to creating real, substantial slabs of meat without relying on traditional animal farming, as detailed in their publication in the journal Trends in Biotechnology: https://www.cell.com/trends/biotechnology/fulltext/S0167-7799(25)00072-3.