Glaciers in the Arctic are not nearly as devoid of life as they might appear at first sight.
In fact, carpets of ice and snow in Greenland and Iceland are practically crawling with microscopic life forms.
When researchers tested the ice and snow at two glaciers in the mid-to-late summer, one in Iceland and the other in Greenland, more than half the bacteria they found were active.Within just a day of thawing, however, some of those dormant microbes regained the ability to read genes and produce amino acid building blocks – like the stiff cogs of a machine finally turning after six months of stillness.
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