'Nose-in-a-dish' reveals why the common cold hits some people hard, while others recover easily - Live Science

Many structures in biology are bounded by membranes, but not all of them. Droplets of a liquid called a coacervate, which form when oppositely charged molecules come together in water, have attracted attention as models for membraneless compartments inside cells and for "protocells," hypothetical primitive cells that may have preceded modern ones.

Julia Margaret Cameron, photographic portrait of Charles Darwin, 1868. From the D. Hall Darwin-Wallace Collection. Rare books, documents, letters and images from famous evolutionary biologists are on display this fall at the U of C’s Nickle Galleries.