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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.

With the holiday season approaching, shoppers can expect a few new hot gadgets on store shelves. Tuesday, Apple debuted its much anticipated iPad mini, and Microsoft is expected to debut a new tablet and an upgrade to Windows later this week. Host Michel Martin speaks with technology commentator Mario Armstrong.

How do you reach an audience of more than 200,000 people a day in an important swing state without buying an expensive TV ad? If you're Mitt Romney supporter Sid Overton, you build a blimp and fly it alongside one of Colorado's busiest freeways.

Obama won easily in 2008, and Democrats have a commanding voter registration lead and ground-game advantages. But despite challenges, some of them attributed to the actions of Ron Paul loyalists, the Romney campaign is relying on an unorthodox strategy to take the Silver State.

The missile successfully fried the electronics of a two-story building in the middle of the Utah desert. The weapon is still in the testing stage.

If you shopped recently at those stores and used a credit or debit card there's a chance that thieves got hold of data about about your accounts and your PIN. Check the list.

Colbert loves music and loves to sing, so Fresh Air's Terry Gross asked him to bring a few songs that mean a lot to him and tell her why.

Inspired by a fellow referee who was sick with cancer, high school football ref Mike Wilmoth dropped 25 pounds, ignored the naysayers, and was picked to officiate a total of six NFL games. Wilmoth talks about making it to the big leagues and the challenges of working as a replacement ref.

The international observers were also present in 2004 and 2008. Greg Abbott said the group's opinion is "legally irrelevant in the United States."

Rep. David Rivera, R-Fla., was charged Wednesday by Florida authorities with alleged ethics violations while he was in the state Legislature, perhaps imperiling his bid for re-election to the House in an already tight contest.