Identified in a Nonsmoking Classroom: A New Avenue for Exposure to Third Hand Smoke (video) American Association for the Advancement of Science Share Print E-Mail Loading video... Caption This animated video explains the importance of thirdhand smoke and the mechanism of uptake of third hand smoke into indoor particles. Credit Peter DeCarlo Usage Restrictions Please cite the owner of the material when publishing. This material may be freely used by reporters as part of news coverage, with proper attribution. Non-reporters must contact Science for permission. Share Print E-Mail 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.