Environment

A Green Building Technique, Inspired by Fish Food

Researchers from the University of Toronto are borrowing from krill biology to develop new technologies to cool down indoor environments.

Antarctic krill stay cool by changing color. So can buildings, researchers say. 

Photographer: David Tipling/Universal Images Group via Getty Images

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You may know krill for their role as whale food. Most stories about these teeny shrimp-like crustaceans are told from the perspective of their many predators; they live near the bottom of the ocean food chain and get devoured in huge numbers by fish, seabirds and marine mammals.