Natural History: Passive HVAC

Fungus-harvesting termites Odontotermies obesus build one– to two-meter-high fluted mounds above their subterranean nests. As the termites construct these cathedral-like, porous clay structures, they build passages within that are subsequently traveled for further construction and repair. These conduits are also thought to regulate microclimate in the nest below—but until recently, how they control temperature, moisture, and respiratory gas exchange remained unknown. Read more…