19 Oct 2015 --- The commercial sale of lab grown hamburgers to affluent and adventurous consumers could be just 5 years away, claims the Maastricht University researcher, who has led work into the highly innovative field of in vitro meat research. Two years after a US$250,000 artificial meat hamburger was presented to the world’s media to much hype, the technology has entered a new stage, with commercial viability moving significantly closer.