The "What Physicists Do" series at SSU is nearing its end. But not to fret, there are still a few left.

Tonight at 4 p.m., Stanford physicist Jodi Cooley discusses the darker side of the universe: Dark Matter.

North American scientists have been working to detect dark matter, which is thought to be the largest source of mass in the Universe. They conduct their heady experiments in a science dungeon buried nearly one-half a mile under the Minnesota top soil -- known as the Soudan Underground Laboratory.

Cooley discuses their efforts and what they hope to discover while listening for faint whispers from our theoretical universe.