The first meager fossils were found in Montana by dinosaur hunter Barnum Brown, who shipped them back to the American Museum of Natural History, where the new species was promptly dubbed Tyrannosaurus rex--"king of the tyrant lizards"--by museum president Henry Fairfield Osborn.

FORBES: Fossil Hunting

Yes, this all sounds very entertaining, but my first question for Christopher Brown and Mark Hunter, co-founders of TruthSerum.com, had to do with the accuracy and credibility of their invention.

FORBES: Is Your Personality More Like Barack Obama's Or Mitt Romney's?

Hunter Peckham of Case Western Reserve University in Cleveland, Ohio, and John Donoghue of Brown University in Rhode Island are trying to help them to do just that.

ECONOMIST: We can rebuild him. We have the technology