13/08/2012

Urban disasters spotlight strain on Asian cities

Deadly floods, power blackouts and traffic gridlock -- many of Asia's biggest cities are buckling under the strain of rapid economic development, extreme weather and an exodus from the countryside.

Graphene's behavior depends on where it sits

When you look at a gift-wrapped present, the basic properties of the wrapping paper — say, its colors and texture — are not generally changed by the nature of the gift inside.

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