Although many scientists cultivate the popular image of the benevolent, detached savant toiling away for the betterment of mankind, the fact remains that Ph.D.s in physics or genetics are subject to the same weaknesses as the rest of us. The image has some currency because there is an element of truth in it: scientists in many fields have contributed in remarkable ways to the material progress of humanity. That contribution should not be underappreciated.
Tim Townsend, of the 



