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Underlying the wave of unrest across North Africa and the Middle East is the fact that some of the cries for democracy are coming from mouths in need of food. Media outlets around the world were quick to make the link between food and the protests in Egypt, Tunisia and Algeria, pointing to one specific grain: wheat. Egypt is the largest importer of wheat in the world, with Algeria not far behind.

By Alister Doyle, Environment Correspondent OSLO (Reuters) - The United Nations should promote "hydro-diplomacy" to defuse any tensions over water in regions like the Middle East and North Africa where scarce supplies have the potential to spark future conflicts, experts said Sunday. [More]

(PhysOrg.com) -- The sandfish lizard (Scincus scincus) lives in the desert sands of North Africa and burrows through the sand by wriggling. Now scientists in the US have created a computer model that emulates the physics of the lizard and other burrowing animals.