Furthermore, the higher compression of households into shared spaces in these fast-forming urban enclaves, sometimes resulting in slums, reverses the density argument.

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The material can heal within minutes of cuts through fast-forming hydrogen bonds, rivaling some of its peers, but also includes nanoscopic nickel particles that keep a current flowing and even respond to flexing or pressure.

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Within a year of forming LidRock in January 2003, Arnold has sold 10 million LidRock CDs through fast-food outlets, theme parks and movie theaters.

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