First oceans may have been acidic

One way to understand how ocean acidity can change, for example, in response to rising carbon dioxide (CO2) levels, is to look to the history of seawater acidity. Dr. Itay Halevy of the Weizmann Institute of Science has looked ...

New West Coast mission investigates ocean acidification threat

Tomorrow, NOAA scientists will steam out of San Diego harbor to lead the most extensive effort to understand changing ocean chemistry on the West Coast and its impact on economically and culturally important fish and shellfish.

Meteorite impacts can create DNA building blocks

A new study shown that meteorite impacts on ancient oceans may have created nucleobases and amino acids. Researchers from Tohoku University, National Institute for Materials Science and Hiroshima University discovered this ...

Did ocean acidification cause marine mollusc extinction?

New research, led by the University of Southampton, has questioned the role played by ocean acidification, produced by the asteroid impact that killed the dinosaurs, in the extinction of ammonites and other planktonic calcifiers ...

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