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This month's guest columnist is Barry Wills, who argues the case for froth flotation

Material of the month – Wire

Anna Ploszajski investigates the properties of wire

Spotlight: analysis and microscopy

Natalie Daniels takes a look at the improvements being made in the field

The Dominican Republic: Overcoming earlier difficulties in the mining industry

Michael Schwartz takes a look at the country’s re-emerging mining industry

Material of the month – Polyester

This month, Anna Ploszajski discovers the history behind the miracle fibre