Mercury concentrations in fig trees could provide useful information about mining activity in the rainforest over time ...

Because the resulting amalgams have a much lower melting point than gold alone, miners then burn the mercury away to collect the residual lucrative metal ... annual tree rings can tell researchers ...

Today, the precious metal is just as sought after ... An international team of researchers has now examined tree rings of species native to the Peruvian Amazon to determine if trees could be used to ...

Mercury pollution in the Amazon is caused by gold mining. Discover how tree core samples identify the concentration and ...

Wild fig tree rings offer a cheap method for tracking toxic atmospheric mercury, a byproduct of gold mining in the Global South, according to a new study.

then laser cuts metal into individual pieces, joining them with “thick and prominent” welding to mimic tree bark or sap. Hand engraving the tree rings is the hardest part, says Hyungjun ...