The data collected indicate that the electrons released by the cosmic rays acted as catalysts to accelerate the formation of stable clusters of sulfuric acid and water molecules — the building blocks for clouds. (foxnews.com)
One cell, the mother cell, keeps an old cell pole that originated in a past division, where efflux pump proteins have formed stable clusters. (sciencedaily.com)
Comparing the classical and novel view, it is furthermore crucial to note that a distinct part of the nucleation driving force given by the change in Gibbs energy is already released by stable cluster formation (SOM section 2.6, fig. (science.sciencemag.org)