Tissue Engineering, which holds the promises for solving the ethical dilemmas of embryonic stem cell research and organ donation, may now also provide a solution to the ethical dilemma of animal slaughter -- humane mass production of meat reared not on the farm, but in the laboratory. University of Maryland researchers explain that, theoretically, enough meat to supply the world, and in a way that's better for the environment and human health (not to mention the animal's health!). Now that's progress!
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