The answer depends on the Joe. By Ray Routhier Portland Press Herald Coffee tastes better in a Styrofoam cup. Really? Really, say some folks concerned about Portland's proposed ban on Styrofoam containers. But is it a fact these folks can prove? Or is it all in their heads? The answer, according to a trio of scientists with lots of initials after their names, is yes -- and yes. What most of us think of as the "taste" of something is really a combination of sensory reactions in our brain, says Gordon M. Shepherd, professor of neurobiology at the Yale School of Medicine in Connecticut and author of the book "Neurogastronomy: How The Brain Creates Flavor and Why It Matters." Shepherd says how a cup of coffee feels and looks affects your sense of how it tastes, as does the aroma, your past experiences with that cup, your cup-handling habits, and your expectations of all that cup might offer. That's not to say Styrofoam doesn...