The scientists extracted cells from the muscle of a live pig and then put them in a broth of other animal products. The cells then multiplied and created muscle tissue. They believe that it can be turned into something like steak if they can find a way to artificially "exercise" the muscle.

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Meat and dairy consumption is predicted to double by 2050 and methane from livestock is said to currently produce about 18 per cent of the world’s greenhouse gases.