The world's first test-tube beef burgers came in the 4th and tasting events held in London. This hamburger meat by the use of artificial photographs Maastricht University scientist Mark - Post nurturing. This burger costs up to 250,000 pounds (about $ 380,000), which the artificial meat weight 142 grams, using 20,000 stem cells cultivated by Bovine meat section.

(Source:northnews.cn)