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Researchers have developed a new way of delivering insulin to patients. It is patterned after the shape of a tortoise shell. New research shows that bees keep their hives cool based on the physics of friction and flow. Other segments include the discovery of carbon dioxide reservoirs in the ocean floor and evidence that tropical reef can flip from coral clusters to fields of seaweed. Part of the "4 Awesome Discoveries You Probably Didn't Hear About This Week" series.
