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Bacteria and viruses are the source of most illnesses. A new source of ancient viruses has been found in the Canadian Arctic in the poo of caribou. Caribou, also known as reindeer, have lived and pooped in cold weather for millennia, so their frozen excrement is a source for ancient viruses. This public radio story introduces us to the scientist who discovered the DNA of two new viruses in 700 year old frozen Caribou waste.
Story Length: 2:33
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