We present a conjecture, based on computational results, on the area-minimizing method of enclosing and separating two arbitrary volumes in the flat cubic three-torus, $T^3$. For comparable small volumes, we prove that the standard double bubble from $R^3$ is area-minimizing.
"Double Bubbles in the Three-Torus." Experiment. Math. 12 (1) 79 - 89, 2003.