Li and Hoffman link specific genes into loops of bacterial DNA called plasmids, which they then package into microscopic droplets of fat called liposomes. (newscientist.com)
Sixteen percent dispersed into microscopic droplets as it blasted from the wellhead. (sciencemag.org)
Vertical mixing occurs slowly (especially above the ABL) but continuously, and latent heat can be released by suspended microscopic droplets without necessarily falling out as rain. (planet3.org)