geochemistry

  • What caused the Earth’s first mass extinction?

    New modelling explores whether oxygen triggered the demise of 85% of marine species.

    Nearly 500 million years ago in the late Ordovician period, a mass extinction wiped out 85% of marine species. Scient...

    Evolution November 2, 2021
  • Geological cold case solved by supercontinents

    Scientists have explained the mysterious disappearance of cold eclogites, and it could help us fi...

    Geologists from the University of Adelaide think they know why cold eclogites vanished for 600 million years – and it...

    Earth Sciences September 28, 2021
  • History

    Clair Patterson helped us breathe freely

    He won the battle against lead pollution and its backers.

    Clair Cameron Patterson didn’t have far to travel when he returned to civilian life at the end of World War II.Th...

    Earth July 18, 2020
  • Droughts meant the end for the Maya

    Mexico’s great pre-Columbian civilisation was doomed by lack of rain. Richard A Lovett reports.

    The Maya civilisation, which dominated southern Mexico for hundreds of years, appears to have been brought to its kne...

    Climate August 5, 2018
  • Profile: The isotope fingerprint expert

    A geochemistry degree has taken Bernadette Proemse to some of the most remote places on Earth. La...

    “It’s always difficult to describe to people what I do because I work on so many different projects,” says Bernadette...

    Earth Sciences March 14, 2018
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