Activity in a room stirs up nanoparticles left over from consumer sprays

Common household products containing nanoparticles — grains of engineered material so miniscule they are invisible to the eye — could be contributing to a new form of indoor air pollution, according to a new study.

​Common household products containing nanoparticles — grains of engineered material so miniscule they are invisible to the eye — could be contributing to a new form of indoor air pollution, according to a new study. Common household products containing nanoparticles — grains of engineered material so miniscule they are invisible to the eye — could be contributing to a new form of indoor air pollution, according to a new study.