First test tube burger unveiled
The world's first test-tube burger, made from lab-grown meat, has been cooked and eaten in London. The 5oz (142g) patty, which cost £250,000 to produce, was dished up by its creator before an invited audience.
Scientist: Lab meat needed to meet worldwide demand
The scientist who has developed the 'in vitro' burger that is to be unveiled today says the research is vital to meet future demand for meat and resources:
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