Age-wave theorists believe that age demographics affect U.S. stock market valuation.

FORBES: The Great Age-Wave Ruse

The ascendancy of interracial marriage is partly fueled by the wave of immigration in recent decades, with U.S.-born offspring of Hispanics and Asians entering adulthood, said Mr. Lichter.

WSJ: Interracial Marriages in U.S. Reach a Record

Bush also drew a picture of his war-planning options amid a wave of sectarian and insurgent violence, continued casualties of U.S. forces and an Iraqi government that the report said is struggling to reconcile the fractious nation's many cultural differences.

CNN: Bush: Iraq benchmarks report 'cause for optimism'

While some in the property sector have been predicting that China's maturing economy would lead to a wave of investment in U.S. real estate akin to the Japanese property-buying spree of the late 1980s, thus far, it has only been trickling in.

WSJ: Deal of the Week: China Vanke Arrives in U.S.

Some are saying that the heat wave sweeping across the U.S. is driving people into cool, air-conditioned theaters, and in a poll posted yesterday, 59% of readers voted that the heat does, in fact, make them more likely to go to the theater.

CNN: 'Ted' lights up box office with $54.1 million

In the U.S., the TSA uses both types of scanners: 250 X-ray scanners and 264 millimeter wave scanners.

FORBES: Europe Bans Airport Body Scanners For "Health and Safety" Concerns