According to a study conducted by scientists at IUPUI and colleagues in the United Kingdom, the emergence of tree roots may have set off a sequence of major extinctions that shook the Earth’s waters around 300 million years ago. The Geological Society of America Bulletin, one of the oldest and most prestigious journals on the subject of geology, reports evidence supporting this novel interpretation of a particularly tumultuous time in Earth’s prehistory. Gabriel Filippelli, the Chancellor’s Professor of Earth Sciences at the IUPUI School of Science, and Matthew Smart, a PhD candidate working in his lab at the time of the study, were the project’s principal investigators.
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