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Could we soon be seeing lab-grown meat on supermarket shelves? Professor Cor van der Weele of Wageningen University in the Netherlands hopes so – she’s co-written a paper outlining how meat could be made from stem cells and then mass produced. (Samples of beef are displayed on either side of a piece of cultured beef in a laboratory at the University in Maastricht. Credit: MAASTRICHT UNIVERSITY via AFP/Getty Images)