But as the latest bomb plot in Yemen shows, little stays hidden for long these days.
In the post-Sept. 11 world, even the most sensitive intelligence operations quickly become daily fodder as the 24-hour news cycle, the Internet and media-friendly politicians give the story momentum. And it's often senior government officials and the intelligence community who spread the juiciest details.
Twice a week, local seniors in Warrenton, Virginia, flock to a hip new dinner spot called the Bistro on the Hill for good food, a great view, and musical accompaniment by a retired piano player from a nearby Nordstrom's.
Many headlines and stories (including some of ours) have been saying that a "double agent" infiltrated al-Qaida in the Arabian Peninsula and foiled a plot to get another underwear bomb aboard a U.S.-bound passenger jet.
But we've been looking at definitions of spy terms and think that based on what we have been told so far, the person at the center of the story wasn't a double agent.
The Chattanooga Girls Choir started 25 years ago. To celebrate the milestone, they're putting on a 25th anniversary concert. LuAnn Holden, the artistic director of the Girls Choir, talks about what to expect.
The concert is scheduled for May 12 at 3 p.m., at Ridgedale Baptist Church. Tickets are available at the door, or by phone at 423-296-1006.
What if it's not just our genes or our lifestyle, exactly, that makes us skinny or fat, healthy or sick? What if it's also the makeup of the bacterial ecosystem that inhabits our gut?
A growing pile of scientific studies is pointing us in that direction. Researchers in this hot new field describe the microbes in our gut as a vital organ that's as essential as our liver or kidneys. They're finding that this organ, which they call the "microbiome," varies greatly from person to person.
The amount of plastic debris in the part of the Pacific Ocean known as the "Great Pacific Garbage Patch" has grown 100-fold in the past 40 years.
In a paper published today by the journal Biology Letters, scientists from Scripps Institution of Oceanography report that most of that plastic has degraded into pieces no bigger than a fingernail. But that wasn't the major finding the scientists are reporting.
The scientists have found that all those pieces of plastic have provided ample opportunity for insects called "sea skaters" to breed.
Mexico is reeling from another round of brutal murders of journalists. Four journalists and photographers who covered the police beat have been killed in eastern Mexico's crime-ridden state of Veracruz.
There's a new call for the federal government to take measures to protect journalists in a country where more and more reporters censor themselves out of fear.
The ceremony to remember the most recent killings took place last weekend in Mexico City on the steps of the Monument of Independence between statues depicting peace and law.