Dorrit Jacob and Macquarie University Free People Check 

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Newsroom New study of plankton shells overturns decades ...

www.mq.edu.au
Nov 03, · “Magnesium found in the plankton shells, for example, is used to calculate seawater temperatures going back tens of millions of years,” said lead researcher Professor Dorrit Jacob, of Macquarie University’s Department of Earth and Planetary Sciences.
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