Injecting smoke into the test home (IMAGE) Colorado State University Caption Researchers at Colorado State University worked with the National Institute of Standards and Technology to test how wildfire smoke lingers on surfaces in homes like carpet despite initial cleaning activity. Their findings were published in Science Advances. Credit Photo by John Eisele/Colorado State University Photography Usage Restrictions Please credit Colorado State University License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.