The piece of lab-grown meat had an artificial circulatory system of hollow fibers delivering nutrients and oxygen.

Mark Post, chief science officer for the company Mosa Meat in Maastricht, the Netherlands, who unveiled the world’s first lab ...

Lucy Notarantonio is Newsweek's Senior Lifestyle and Trends Reporter, based in Birmingham, UK. Her focus is trending stories and human interest features ranging from health, pets and travel.