Google Search and Google News are the biggest single drivers of traffic to top news websites.

Among adults who took out loans to help pay for college, nearly half say paying back those loans makes it harder for them to pay their other bills.

Americans are split on the main purpose of college, with 47% saying it is to teach work-related skills and 39% saying it is to help a student grow personally and intellectually.

Three-quarters of the public say most people cannot afford to pay for a college education.

A little more than a third of Americans (35%) say that the increasing number of gay couples raising children is a bad thing for society, down from 50% in 2007.

While gay marriage remains a divisive issue, a 58%-majority of Americans say homosexuality should be accepted, rather than discouraged, by society.

Across the top 25 news websites, three-quarters of all visitors will visit that site only once or twice per month on average.