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 ...

How you can help protect sharks, and what doesn't work

Sharks are some of the most ecologically important and most threatened animals on Earth. Recent reports show that up to one-third of all known species of sharks and their relatives, rays, are threatened with extinction. Unsustainable ...

page 1 from 8