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Tide turns against Liberia's biggest slum

The fishermen, hustlers and market traders of West Point have survived two civil wars and an Ebola epidemic, but this resilient Liberian slum cannot hold back the ocean that is slowly swallowing it.

dateJul 25, 2016 in Environment
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Ultrasensitive sensor using N-doped graphene

A highly sensitive chemical sensor based on Raman spectroscopy and using nitrogen-doped graphene as a substrate was developed by an international team of researchers working at Penn State. In this case, doping refers to introducing ...

dateJul 22, 2016 in Nanomaterials
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