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Even before you were a twinkle in your mom's eye, what she ate — and didn't eat enough of — may have helped shape you.

Mom's Diet Right Before Pregnancy Can Alter Baby's Genes

Vitamin deficiencies near the time of conception change which genes get turned on during early development, scientists find.

Mike Smith, of Long Beach, Calif., now pays $200 for his family's health insurance policy, compared with the $3,000 a month he would have had to pay on the individual market last year.

Obamacare Enrollees Emboldened To Leave Jobs, Start Businesses

Some people who felt stuck in certain jobs, just because they needed the employment-based health insurance, say they are finding the Affordable Care Act liberating.

White House Warns Highway Trust Fund Is Low On Funds

The Obama administration has sent to Congress a four-year $302 billion infrastructure bill. It proposes closing corporate loopholes to make up for lost revenues from the gas tax.

What Does Sound Look Like?

A clever photography trick allows you to see the invisible: the rising heat from a lighter, the turbulence around airplane wings, the plume of a sneeze ... and even sound waves.

Emergency responders gather in the parking lot on the campus of Franklin Regional High School in Murraysville, Pa., on Wednesday after an attack there left at least 20 people, nearly all of them students, injured. Most suffered stab wounds or lacerations.

At Least 20 Students Injured In Knife Attack At Pa. High School

A 16-year-old is in custody and charged with four counts of attempted murder and 21 counts of aggravated assault over the incident at Franklin Regional High School in Murrysville, near Pittsburgh.

Data released Wednesday about Medicare payments to doctors in 2012 have raised questions, but some experts warn against drawing "sweeping conclusions" from the numbers.

Dose Of Caution Prescribed When Evaluating New Medicare Data

Fresh figures show that a relatively small number of doctors received a significant share of Medicare payments in 2012. But analysts warn against jumping to conclusions about what that means.

Arugula plant beds inside The Plant, a vertical farm operation in Chicago.

Food Scraps To Fuel Vertical Farming's Rise In Chicago

As vertical farming takes root in cities around the world, critics fear it's leaving a big carbon footprint. An experiment in Chicago turning garbage into energy aims to prove them wrong.

Unsold 2007 RAV4 sport utility vehicles are shown on the lot of a Toyota agency in the east Denver suburb of Aurora, Colo., in 2006. The popular SUV was one of several subject to recall.

On Heels Of GM, Toyota Recalls More Than 6 Million Vehicles

The recall involves some of the Japanese automaker's top-selling vehicles, including some model years for the RAV4 SUV, Corolla, Yaris and Matrix.

Anant Agarwal argues that online education allows students to learn at their own pace.

Debate: In An Online World, Are Brick And Mortar Colleges Obsolete?

Proponents of online education say it's flexible and economical. But skeptics say "college by Internet" is a pale substitute for real-world exchanges with instructors and peers inside the classroom.

After Susan Sontag died in 2004, the writer's estate sold her letters, computers and other materials to UCLA for a special collection. Her biographer says the wealth of information can be daunting — and a bit eerie.

The New Age: Leaving Behind Everything, Or Nothing At All

Older generations might have left behind physical letters, photographs and journals. But much of that is digital now. Saving and organizing it all is a new challenge for librarians and writers alike.

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