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Around Mount Erebus, an active volcano on Ross Island in Antarctica, steam has hollowed out extensive cave systems.
Lead researcher Dr Ceridwen Fraser from the ANU Fenner School of Environment and Society, said forensic analyses of soil samples from these caves have revealed intriguing traces of DNA from algae, mosses and small animals.
“It can be really warm inside the caves – up to 25 degrees Celsius in some caves. You could wear a t-shirt in there and be pretty comfortable. There’s light near the cave mouths, and light filters deeper into some caves where the overlying ice is thin.”
Dr Fraser said most of the DNA found in the caves on Mount Erebus was similar to DNA from plants and animals – including mosses, algae and invertebrates – found elsewhere in Antarctica, but not all sequences could be fully identified.
Continue reading at Australian National University
Image via Alasdair Turner, Australian National University
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