The feces may be visible as small dark particles. (vetinfo.com)
The decaying theoretical underpinnings for simple WIMP models, paired with the ever - growing list of empty - handed detection efforts, have led Feng and many others to propose that WIMPs are part of a much more complicated picture: An entirely new hidden realm of the universe filled with multiple varieties of dark particles interacting with one another through a suite of dark forces, perhaps exchanging dark charges via bursts of dark light. (scientificamerican.com)
This article appeared in print under the headline «Underground lab seeks dark particle strikes» (newscientist.com)