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Contrary to what you may have heard, more Facebook friends hasn't been proved to make your brain bigger. Check out what researchers actually found in a new study.

Some researchers have found that vegetables like broccoli have fewer good-for-you nutrients like calcium and zinc than they used to. But a new study says that genetics — what plant breeders control — probably isn't the major factor determining nutrient levels.

Secretary of State Hillary Clinton, in Pakistan to urge the country's leadership to eliminate safe havens for terrorists, says that U.S. officials met with the Haqqani network this summer. She did not say who the participants were, or what was discussed.

Even with the latest change to Cain's tax reform plan, the lowest-income Americans would see their tax bills rise because they'd face a trickle-down effect from business taxes and they would still face the 9 percent sales tax, analysts say.

Chicago Mayor Rahm Emanuel recently proposed a $2 fee on weekday parking in downtown public lots and garages to help pay for other transportation improvements like new bus routes and bike lanes. Other cities have had some success with similar plans, but some Chicagoans are skeptical.

The British motoring show Fifth Gear recorded the damage in a test crash.

This Sunday, Tunisia is holding its first ever, free and democratic election. Tunisia, the first Arab nation to throw off the yoke of dictatorial rule this year, is arguably the most moderate nation in the Arab world, but Islamist candidates are expected to do well.

The legislature has now asked each school district to develop a social media policy. The earlier version of the law was opposed by civil rights groups, which said it stepped on freedoms of speech and association.

As President Obama tours the nation ahead of the 2012 election, he's visiting Democratic and Republican territories alike. Amid a time of big news abroad, the president is continuing to push his jobs bill at home.

Argentine President Cristina Fernandez has kept the legacy of her late husband, former President Nestor Kirchner, alive through her re-election campaign. Pundits say it's all part of a broader Latin American tendency to mythologize dead leaders.