How To Make A Hamburger Without Killing The Cow

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.