image: The CLOUD chamber at CERN. This material relates to a paper that appeared in the Dec. 12th, 2018, issue of Science Advances, published by AAAS. The paper, by K. Lehtipalo at University of Helsinki in Helsinki, Finland, and colleagues was titled, "Multicomponent new particle formation from sulfuric acid, ammonia, and biogenic vapors." view more
Credit: Hanna Manninen