A hamburger made from lab-grown meat could save the world from a coming food crisis and reduce pressure on the environment.
The Cultured Beef burger doesn't yet taste like a normal beef burger, but scientists have the basic meat-growing process down.
The burger's creator, Professor Mark Post, is confident that the test-tube burger will be commercially viable within 10 to 20 years.
Cultured beef doesn't start in the lab. It's created from a living cow.
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First, a tissue sample is taken from a cow.
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The syringe pulls out a cylinder of muscle tissue.
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