Giant viruses were first discovered in 1981, when researchers found them in the ocean. These viruses had specialized in infecting green algae in the sea. Later, giant viruses were found in soil on land and even in humans. But it’s the first time that giant viruses have been found living on the surface ice and snow dominated by snow algae. In Greenland, these viruses probably regulate the growth of snow algae on the ice by infecting them. The giant...
