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Vital channels

These little tubes are in a laboratory at SINTEF Sealab. […]
Photo: Unni Skoglund
Photo: Unni Skoglund

These little tubes are in a laboratory at SINTEF Sealab. They provide an essential supply of oxygen to a tank of seawater in which little creatures swim freely. These zooplankton are called copepods, and are real vitamin ”bombs” for fish fry.