Prompt deliquescence and efflorescence of aerosol nanoparticles G. Biskos, D. Paulsen, L. M. Russell, P. R. Buseck, and S. T. Martin Division of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA 92093, USA Departments of Geological Sciences and Chemistry/Biochemistry, Arizona State...