A more convincing article (compared to the stem cell burger story) for solving the increased human demand for 'protein, considers placing a greater reliance on insects as food sources (http://www.theguardian.com/lifeandstyle/2013/aug/05/can-eating-insects-feed-world?INTCMP=SRCH). This points out that, although we in the 'west' tend to turn our noses up at locusts and mealworms, these are quite popular food items in some parts of the world (insects are also not too different from highly appreciated prawns, shrimp and lobster). In contrast to the stem cell burger, insects quickly and cheaply generate high protein foods from a wide range of pretty basic plant material, using 'low tech' cultivation systems. The article also suggests that, if you don't like the idea of seeing insects in toto in your food (shades of old style school dinners), the material can be ground into 'protein flour' that can be added to cereal bars and other foods (one company is apparently even planning to add this material to tomato puree). So come on- grub's up!
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