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Archaeologists have made a surprising discovery: They announced they found traces of 2,500-year-old chocolate on a plate as opposed to a cup.

The conclusion they make is that it means ancient Mayans not only drank chocolate but also used it as a condiment.

The AP reports the discovery was made public by Mexico's National Institute of Anthropology and History.

The AP adds:

Scientists are starting to discover that the standard way of measuring calories, established more than 100 years ago, may not be terribly accurate when it comes to higher fat, high-fiber foods like nuts. But when it comes to almonds, the count may be off by a whole lot.

Food scientists at the U.S. Department of Agriculture recently published a new study that finds almonds have about 20 percent fewer calories than previously documented.

Federal health officials Friday reported a jump this summer in the number of people who have gotten infected with a new swine flu virus.

Sixteen cases of the new H3N2 swine flu have been confirmed in the last few weeks, including 12 in the last week alone, according to the Centers for Disease Control and Prevention in Atlanta.

Ten of last week's cases occurred in Ohio, while the two others were in Indiana and Hawaii.