A scanning electron microscope image reveals fossil diatoms, present in their billions at Foulden Maar.
This article by Dr Nic Rawlence was originally published under the title Proposal to mine fossil-rich site in New Zealand ...
This Connected article explains how an ancient lake, Foulden Maar was formed by a volcanic eruption 23 million years ago ...
In this activity, students see how increasing the power of magnification leads to much greater detail. They view the reproductive ...
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