(nods) The universe is big, Sheldon. Big enough to make anyone feel small. But the beetle doesn’t care about size. It cares about the light.
George Sr. enters, yawning, holding the TV remote.
Sheldon is quiet for the first time in the episode.
The lab is cluttered with beakers, a half-built perpetual motion machine, and now, a large terrarium filled with dirt and three very active dung beetles. Dr. Sturgis wears a safari hat indoors.
