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electrostatic charge

How Spider Webs Can Detect Air Pollution

Jun 2, 2019
Studies are analyzing the chemicals and pollutants caught in spider webs to determine the health of certain environments.
Flickr user PermaCultured [CC BY 2.0 (https://creativecommons.org/licenses/by/2.0)]

Classic spiral spider webs are made by orb-weaving spiders which weave them deadly traps for flying insects. But orb spider webs are also electrostatically charged, making them perfect for capturing not only prey but pollen and other small pollutants, indicators of an environment's health.