http://www.reuters.com/article/2011/...7M31VE20111111

Using stem cells harvested from leftover animal material from slaughterhouses, Post nurtures them with a feed concocted of sugars, amino acids, lipids, minerals and all other nutrients they need to grow in the right way.


So far he has produced whitish pale muscle-like strips, each of them around 2.5 cm (1 inch) long, less than a centimetre wide and so thin as to be almost see-through.


Pack enough of these together -- probably around 3,000 of them in layers -- throw in a few strips of lab-grown fat, and you have the world's first "cultured meat" burger, he says.

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I don't know why but eating a Petri dish grown burger kills my appetite.