This is an ice core showing annual rings. The oldest ice ever retrieved was about 950 thousand years old.
A changing climate
Dr Katja Ridel’s interest has always been chemistry, and after she finished her PhD in Germany, she took on a ...
Ice – particularly in the form of glaciers – has had a significant impact on landforms and life forms round ...
Clues to New Zealand’s past have been unearthed in a peat bog on the west coast of the South Island. ...
This timeline provides a look at some of the historical aspects in finding out the age of the Earth. Find ...
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