Four decades after Brazilian photographer Sebastiao Salgado shot a human anthill of mud-spattered miners digging for gold in the middle of the Amazon, some of the "garimpeiros," now into their ...

- 'Happy suffering' - Other former "garimpeiros," as illegal gold miners are known in Brazil, who joined the gold rush in the 1980s, also remained behind in Serra Pelada, now a town of some 6,000 ...

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Responsive hybrid nanomaterials with well-defined properties are of significant interest for the development of biosensors with additional applications in tissue engineering and drug delivery. Here, ...