Since the last set of British Rail fares were published in June 1995, inflation measured by the Retail Prices Index (RPI) has been 66%, according to research by fares expert Barry Doe for Rail Magazine.

BBC: Have train fares gone up or down since British Rail?

But another 5 billion gallons is set to come online by the end of the decade, judging by the planned construction of plants, according to Aaron Brady, a biofuels expert at Cambridge Energy Research Associates.

FORBES: Ethanol Gusher!

More than a third of institutional investment-management firms use expert networks, according to a late 2009 survey by Integrity Research Associates in New York.

WSJ: U.S. Pursues Sweeping Insider-Trading Probe

According to Brahma Chellaney, a noted expert on nuclear and security issues at the Center for Policy Research in Delhi, "threshold" is not a technical term but an expression coined by analysts to describe countries that have successfully conducted weapons tests but have not declared themselves to be nuclear states.

CNN: OUT OF THE CLOSET