A survey of 55 skulls from the 1800s and regions across the globe finds that people who lived in high latitudes had bigger eyes and brains. Researchers at Oxford University say the variations are not due to differences in intelligence but are instead related to ambient light:

Rep. Todd Akin's constituents want to see a deal putting an end to the debt-ceiling debate, but not just any deal.

Despite party pressures, the Missouri Republican is planning to vote against Speaker John Boehner's latest proposal to lift the debt ceiling. It doesn't do enough to "address the spending problem," according to Akin's spokesman Steve Taylor.

According the latest projections from National Hurricane Center, Tropical Storm Don is expected to make landfall along the South Texas coast Friday night into Saturday.

The Hurricane Center has issued tropical storm warnings for a good deal of the Texas coast, stretching from San Luis Pass near Galveston to Port Mansfield near Padre Island.

In the years after Fidel Castro's Cuban revolution, Havana's neighborhoods went through an extraordinary upheaval. As wealthy and middle-class families fled, poorer Cubans moved into their homes.

Now, communist authorities are preparing to legalize property sales for the first time in 50 years, and the city's old racial and class divisions are already creeping back.

House Hunting

Host Michel Martin continues her conversation about Europe's multiculturalism amid the deadly attacks in Norway, which Anders Behring Breivik has acknowledged committing. Martin hears from Paris-born journalist Nabila Ramdani and Eleanor Beardsley, an NPR Correspondent based in Paris.

The confessed Norway attacker Anders Behring Breivik says he intended to send a "wake up call" to Europe, which he sees as being taken over by Muslims. The attacks are raising tensions about immigration and multiculturalism in Europe. Host Michel Martin explores this issue with an NPR correspondent based in Paris and the author of several books about Islam in Paris.

Indiana Governor Mitch Daniels is urging members of his state’s federal delegation to support Speaker John Boehner’s plan aimed at averting the first default in U.S. history.  What’s interesting is that Daniels, who served as Director of the U.S. Office of Management and Budget under former President George W. Bush, indicts his former administration when criticizing “past…overspending and future overpromising (sic)” in the federal government.

Update at 11:57 a.m. ET:

The AP is now reporting confirmation from the FBI that Abdo had "items that could be identified as bomb-making components, including gunpowder" when he was arrested.

Our original post:

An AWOL soldier from Fort Campbell, Ky., has been arrested in Killeen, Texas, near Fort Hood. Army Pfc. Naser Abdo was being held Thursday, a day after his arrest by local police at a motel in the central Texas town.

Norway's domestic intelligence chief told the AP that the man suspected of killing 76 people in a bombing and shooting rampage likely acted alone.

"It's a unique case. It's unique person. He is total evil," Janne Kristiansen, the director of the Norwegian Police Security Service told The Associated Press.

For several months, opposition troops have squared off against Moammar Gadhafi's forces on the ground in Libya. But for the most part, there's been only incremental movement along the front lines.