There are certain sounds that drive us batty. For many people, it's nails on a chalkboard. For me, it's the squeaking sound of styrofoam. What causes this reaction? —Brepark, via the Straight Dope ...

Chalk Sound is like a scale model of the Caribbean sea: It's a body of turquoise water, and the surface is dotted with islands. The sun blazes above, and the water is shallow, rarely deeper than five ...