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Archeologists have found evidence from 20,000 to 30,000-year-old human skulls that both human height and brain size are shrinking. The cause of this? Farming. This shrinkage started about 10,000 years ago, when humans moved from the hunter-gatherer life to agriculture.

In PhysOrg.com, Deborah Braconnier writes, "While the change to agriculture would have provided a plentiful crop of food, the limiting factor of farming may have created vitamin and mineral deficiencies and resulted in a stunted growth. Early Chinese farmers ate cereals such as rice which lacks the B vitamin niacin which is essential for growth."
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On Dreamland, we’re not afraid to ask the hard questions (NOTE: Subscribers can still listen to this show). When we see signs of unrest in countries, such as the "Arab Spring," where young people are clamoring for a voice in the government, we ask ourselves why some nations become democracies while others don’t. Researchers think it may have to do with kind of CROPS they grow.
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