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How 'lab-grown' meat is made and will people accept it?
7m 18s
The Department of Agriculture recently approved the production of what’s known as cultivated meat, which is chicken grown in a lab. That approval clears the way for companies to begin selling poultry produced from animal cells rather than animals bred in factory farms and killed. But the industry still faces hurdles before Americans see it in their grocery stores. William Brangham reports.