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Jimmy John's sandwiches, wrapped and ready to go.

Romney And Jimmy John's Sandwiches, Never Far Apart

The success story of sandwich king "Jimmy John" Liautaud is a regular part of GOP presidential candidate Mitt Romney's stump speech. And it's a safe bet that Jimmy John's is being served on the political press bus at lunch.

Student scientist Araw Akram discovered that fruit flies that eat nonorganic produce have lower reproduction rates than insects that eat organic food.

When Art Meets Science, You'll Get The Picture

Sure, you've got a world-changing idea — but can you explain it? This new collaboration challenges artists to illuminate the inventions of young scientists.

A <a href="http://visualscience.ru/en/projects/hiv/illustrations/" target="_self">3-D model of HIV</a> peeled back to show its layers. HIV's genetic material sits inside a spherical shell (gray matrix) studded with spikes (dark gray and orange). The sphere pops open when a T cell tugs on a spike.

How HIV Hijacks The Immune System

HIV is like a jack-in-the-box. When the viruses bump into particular cells in the immune system, the viruses' shells pop open and their genes enter the cells. Experimental therapies for HIV could stop the virus from getting in.

Fresh Air Remembers Actress Celeste Holm

The actress of stage (Oklahoma!) and screen (All About Eve) passed away of a heart attack on July 15. She was 95 years old.

Your American Dreams: Family, Friends And The Freedom To Roam

The concept of the American dream has been a part of our national consciousness for generations, but you'd be hard-pressed to find two people who define it precisely the same way. We asked for your take on the American dream; this is what you told us.

A sunrise ritual draws Pam Houston to Luang Prabang, Laos.

Wish You Were Here: Sunrise In Laos

Sunrise in Luang Prabang brings out a sea of saffron-cloaked monks and the women who feed them. Author Pam Houston, who writes about the American West, says for her it is a must-see place.

Longtime AIDS activist Dr. Ashraf Grimwood says South Africa has made huge strides in confronting HIV. But he worries that giving anti-retroviral drugs to healthy people could have negative consequences in the long term.

South African Doctors Uneasy About HIV Prevention Pill

Each year hundreds of thousands South Africans become infected with HIV, so it might seem that a drug to slow transmission would be welcome. But there's concern about unintended consequences if Truvada is used widely for prevention.

Researchers studying brains want to know what's happening in an area called the premotor cortex — the place in the brain that gears up for something the body is about to do, like swimming. Above, Michael Phelps dives off the starting blocks in the final heat of the men's 400-meter individual medley during the 2012 U.S. Olympic Swimming Team Trials in Omaha, Neb., on June 25.

How You Move Your Arm Says Something About Who You Are

A part of the brain called the premotor cortex does some pretty complicated work. It's where the brain plans and strategizes about how to take action, and it may also reflect a person's personality.

Stunted corn grows in a field next to a cattle feed lot in rural Springfield, Omaha, Neb.

As Drought Kills Corn, Farmers Fight Over Ethanol

Livestock and chicken farmers say the government's ethanol policy inflates fuel prices and forces them to compete with fuel companies for corn the fuel companies don't even want. This year, gas companies are required to buy 13 billion gallons of ethanol.

Former Minnesota Gov. Tim Pawlenty and GOP presidential candidate Mitt Romney campaign in Las Vegas on Oct. 17, 2011.

From Rival To Running Mate? Possible For Pawlenty

Former Minnesota Gov. Tim Pawlenty is the son of a truck driver, an evangelical Christian, a former presidential candidate, and for months now a loyal surrogate for Republican Mitt Romney. He's also considered a top contender to become Romney's pick for vice president.

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