Does money have a unique smell? We explore the scent of fresh (and not so fresh) dollar bills and how some dogs can recognize the smell of greenbacks.

China and Japan move to trade each other's currencies directly, without using the U.S. dollar to set the exchange rate. The change is a new step toward a world where the dollar is not last word in global currencies.

Senator Tom Harkin of Iowa is among the U.S. senators pushing for the end of the dollar bill in the quest to save the government money.

All morning long we've been asking for your opinion on coins vs. bills following our interview with Senator Tom Harkin on the subject.

In his new book, "The End of Money," David Wolman explains why he advocates for the elimination of cash.

The U.S. dollar hits an 11 month high against the euro as questions remain about the ability to solve the debt crisis in Europe.

Credit ratings agencies don't seem to be phased by the super committee failure, in large part because the U.S. dollar and bond markets are still strong compared to Europe and China.

As the artist formerly known as Puff Daddy rapped, it's all about the Benjamins. That's $100 bills, and there are more of them in circulation…

Here are today's headlines from Marketplace Morning Report and around the web….