Well back in the hospital, people setting the prices were playing a guessing game of their own when they were first asked to set prices for their services.

FORBES: Hospital Pricing and Irrational Thinking

Wall Street is playing a guessing game after the surprise announcement in Bristol's earnings release yesterday that the U.S. Department of Justice is investigating a deal Bristol and partner Sanofi-Aventis made to preserve the patent life of their top-selling heart pill Plavix.

FORBES: Patent Wars

Some 93 percent of participants with white partners mentioned race during the guessing game, as opposed to just 64 percent who were playing the game with black partners.

FORBES: The Case Against Racial Colorblindness in the Workplace