Micron-sized spheres created in the lab have been built to catch and destroy bisphenol A (BPA), a synthetic chemical used to make plastics, suspected of affecting the health of children. 200 milligrams of the spheres per liter of contaminated water degraded 90% of BPA in an hour.

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Micron-sized spheres created in the lab have been built to catch and destroy bisphenol A (BPA), a synthetic chemical used to make plastics, suspected of affecting the health of children. 200 milligrams of the spheres per liter of contaminated water degraded 90% of BPA in an hour.