Hydrothermal mercury: The natural story of a contaminant

An international team of researchers including scientists from the GEOMAR Helmholtz Center for Ocean Research Kiel has produced the first global estimate of mercury emissions from hydrothermal sources at mid-ocean ridges ...

PCB contamination in Icelandic orcas: A matter of diet

A new study from McGill University suggests that some Icelandic killer whales have very high concentrations of PCBs (polychlorinated biphenyls) in their blubber. But it seems that other orcas from the same population have ...

Fluorescent probes for rapid detection of formaldehyde in food

In recent years, formaldehyde has been discovered to be illegally used in food processing for bleaching and preservation purposes, arousing health concerns by the general public. PolyU's highly selective formaldehyde rapid ...

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