The Pew Research Center has been studying the challenge to survey research posed by the growing number of wireless-only households. Here's a summary of its latest findings.

In a second dispatch, our Beijing correspondent reports that Chinese TV is back to being the voice of the government. Meanwhile, the internet has become a more wild-west version of itself, with a virtual explosion of content that runs the gamut from informative to creative, irresponsible, angry, maudlin…

While the internet proved to be a faster and more varied source of news about the disaster, Chinese television reports have shown an unprecedented absence of censorship: "The faces in these productions tell everything. The soldiers are young; the grief is raw; the eyes are desperate."

While Barack Obama's appeal to the young coincides with their increasing Democratic alignment, older voters do not show the greater allegiance to the GOP that might explain their relative reluctance to support him.

The proportion of Americans who say that the earth is getting warmer has decreased modestly since January 2007, mostly because of a decline among Republicans.

While the outcome of the North Carolina primary fit into a racial pattern observed in earlier primaries this year, Clinton’s showing in Indiana was less strong than would have been expected.

While the latest statistics reported fewer job losses than analysts expected, the public is expressing increasing concern about job availability; but unlike in the 1992 downturn, such worries are concentrated in the lower portions of the income spectrum.

Recent advances in neuroscience are offering researchers a look into the physiology of religious belief. In a transcript from a Pew Forum event, University of Pennsylvania radiologist, Dr. Andrew Newberg, discusses how measurable brain activity matches up with the religious experiences described by worshippers.

Trends in the opinions of America's youngest voters are often a barometer of shifting political winds. And that appears to be the case in 2008. Use the interactive tool to track generational differences in party affiliation over time.

Hillary Clinton won the Catholic vote in Pennsylvania's Democratic primary by more than a two-to-one margin, repeating a pattern among religious voters similar to those seen in other states. Does this have implications for the May 6 contests in Indiana and North Carolina?