Men are more apt than women to lose thinking ability as they age, according to new research. And that mild cognitive impairment often leads to dementia.

But people can reduce their risk of mild cognitive impairment by staying healthy and educated, according to Rosebud Roberts, a professor of epidemiology at the Mayo Clinic who led the study. "There is a lot that people can do," she told Shots.

A day after delivering his State of the Union address to Congress, President Obama took his message on the road. Obama hoped that stops at manufacturing sites in Iowa and Arizona would drive home his point that the government should do more to encourage factory jobs.

The three-day trip also includes stops in Colorado, Nevada and Michigan. Those are all states likely to be important in the November election.

Obama kicked off his road trip at Conveyor Engineering and Manufacturing, a factory in Cedar Rapids, Iowa.

Fereshteh Toosi is an interdisciplinary, Chicago-based artist who works with art you can interact with. While designing a community garden accesible to people with disabilities, she began her latest project: Garlic & Greens. Inspired by her interest in growing food and cultural migration, Garlic & Greens aims to capture soul food stories in Chicago.  She also teaches art at Columbia College Chicago. Turnstyle contributor Whitney Henry-Lester spoke to Toosi about her new project and the documentation of soul food.

Treasury Secretary Timothy Geithner told Bloomberg Television today that he's "pretty confident" he won't be asked to stay in his job if President Obama is re-elected for a second term.

"He's not going to ask me to stay on, I'm pretty confident," Geithner said. "I'm confident he'll be president. But I'm also confident he's going to have the privilege of having another secretary of the treasury."

Dudley Butler is quitting his job tomorrow. Never heard of him? He's President Obama's appointee to run the division of the U.S. Department of Agriculture that governs antitrust issues in the meat industry. He was part of a cadre of high-level bureaucrats charged to expose and fight agribusiness monopolies. In fact, he was the last of that group.

The Louvre had a record 9 million visitors last year, and about 10 percent of them were American. Yet the iconic Paris art museum only has four American paintings in its huge permanent collection.

But the Louvre's curators want to change that and heighten the public's knowledge and awareness of early American art with a new exhibit.

Nationwide, French museums own some 2,000 American paintings, but those Whistlers, Homers and Cassatts are exhibited in more modern museums such as the Musee d'Orsay.

"After more than 30 years of handing prayer cards to customers aboard its planes, Alaska Airlines has decided the practice is outdated and will stop doing it on Feb. 1," The Seattle Times reports.

A few things struck us about this news.

Samantha Garvey, the homeless teen who came into the national spotlight after she became a semifinalist in the prestigious Intel Science Talent Search competition, has had a bittersweet 24 hours.

First the bitter part: When the science prize competition finalists were announced today, she was not on the list.

In a wide-ranging discussion with All Things Considered's Robert Siegel, Ron Paul, the Republican congressman from Texas, said of all the GOP hopefuls, he's been the steady one.

"All I know is that the message is powerful," he said in response to a question about the viability of his campaign. "The message is well-received. Our numbers are growing, and we don't go up and down like a yo-yo."

The Keystone XL pipeline is supposed to connect Canada to Texas. But does it also have to connect to a payroll tax holiday?

White House Senior Advisor Valerie Jarrett, speaking today on NPR's Tell Me More, said no link should be made because the oil pipeline is not "germane" to legislation involving a tax holiday.