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Scientists from Osaka University have manufactured the world’s first 3D-printed Wagyu beef by using stem cells isolated from Japanese cattle, according to a press release. The product looks like a realistic steak piece containing muscle, fat, and blood vessels. Because of its high marble content, Wagyu (Japanese cow) beef is one of the most sought-after and expensive meats in the world. Marbling, or sashi in Jaoan, refers to the visible layers of intramuscular fat that give the beef its rich flavors and distinctive texture, and because most cultured meats produced thus far resemble mince composed of simple muscle fibers rather...