Tunneling Reactions in Interstellar Ices

Dark, dense interstellar clouds are known to be the birthplaces of stars. In his Perspective, [Hiraoka][1] explains how results from laboratory studies, observations of comets, and spectroscopic observations of dark clouds are beginning to shed light on the chemical processes that take place in these clouds. [1]: http://www.sciencemag.org/cgi/content/full/292/5518/869