a term used to describe well-intentioned but incorrect, obsolete, incomplete, or over-simplified expositions of scientific ideas.
An example of bad science would be the statement that electrons revolve in orbits around the atomicnucleus, a picture that was discredited in the 1920's, but is so much more vivid and easily grasped than the one that supplanted it that it shows no sign of dying out.
Someone who is addicted to obtaining money and building wealth. A money addict and fanatic. Breadheads often work more than one full-time job, and some even participate in illicit activities to "obtain the bread".