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Kelly Ward, senior software engineer for Walt Disney Animation Studios, was tasked with bringing Rapunzel's locks to life in Disney's Tangled. The hair had to look realistic, but not too real — otherwise Rapunzel would be towing 80 pounds of hair behind her.

Four major universities — Stanford, Princeton, the University of Pennsylvania and University of Michigan — are joining forces with a startup called Coursera to offer free online classes in more than three-dozen subjects. The professors involved hope this kind of online interaction transforms higher education.

Because we had better food, our brains grew bigger than those of our primate cousins, scientists say. Early humans cooked, which makes meat and veggies more digestible and nutrients more available to the body. Plus, there was all that chatting and chewing around the campfire.

A new Pew post-election survey also finds voters pessimistic about partisan cooperation, and still most concerned about the economy and jobs.

Audie Cornish talks to Carrie Johnson about the identity of the gunman in the Newton, Conn., school shooting.

After a series of controversial decrees by President Mohammed Morsi, Egypt's judges are now preparing to strike. One young judge talks about how he sees the crisis.

Bipartisan support in the Illinois Senate helped pass legislation that would allow undocumented immigrants to get driver's licenses. But critics say granting driving rights to people in the country illegally is putting the cart before the horse.

The cancer charity the cyclist helped found says it is disheartening to hear, finally, Armstrong say that he misled everyone about the doping he now admits. But it also thanks him for the "drive, devotion and spirit he brought to serving cancer patients."

Just 2 percent of delegates at the Republican National Convention were black. That's higher than the percentage that supported Mitt Romney in a recent poll: 0. And getting blacks on board may prove especially hard for the GOP presidential candidate given the tone of some recent campaign ads and a wave of new voter ID laws.

A court sentenced the three members of the female punk band Pussy Riot to two years in jail after they were found guilty of hooliganism and religious hatred. The group had staged an anti-Putin protest in Moscow's main cathedral last February.