Correction: In the article “Thermotaxis is a Robust Mechanism for Thermoregulation in Caenorhabditis elegans Nematodes” by Daniel Ramot, Bronwyn L. MacInnis, Hau-Chen Lee, and Miriam B. Goodman, which appeared on pages 12546–12557 of the November 19, 2008 issue, there was an error in Equation 8. The correct equation is as follows: