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The prospect of lots of people plunging into their genomes makes many doctors very nervous. Some argue that for most people, genome sequencing could reveal false positives and be a big waste of time and money.

President Obama has held a lead in election polls. But some conservatives are accusing big media outlets of designing their polls to make Obama look good. And in some cases, by projecting a Democratic surge that would rival turnout in 2008.

As al-Qaida has fragmented, U.S. officials have turned their attention to loosely affiliated groups that present threats of their own. Officials tell The Washington Post that among the steps being considered are drone strikes aimed at terrorists based in North Africa.

Felix Baumgartner plans to ride a balloon to an altitude of 34 miles over New Mexico and then he'll step out into the void. He'll be wearing a pressurized suit like an astronaut, and expects to break the sound barrier as he falls. He's being advised by a former NASA flight surgeon who lost his wife in a shuttle crash, and who wants to improve astronauts' odds of surviving a future disaster.

A researcher at the Wharton School of Business showed participants photos of men with shaved head and men with full heads of hair. It turns out, men with shaved heads were perceived as manlier, taller and stronger. The downside: men with shaved heads were viewed as less attractive than those with full manes.

Compare the U.S. and Saudi catalogs. All the same stuff is for sale. But you won't find women in one.

The agents worked out of the recently renamed Brian Terry station near Tucson. Terry was an agent killed in 2010. His death revealed the "Fast and Furious" program — a botched effort to track drug cartels by allowing guns to go south of the border.

Officials can still ask for identification, the judge rules, but cannot invalidate anyone's vote for lack of an ID card.

High food prices have often been cited as a factor behind mass protest movements. But a group of researchers say food prices can actually be used to predict when social unrest will occur. And according to their mathematical modeling, we've hit the threshold for more waves of riots.

Can't wait for the presidential debate? We offer a "Pop-Up Politics" virtual face-off over key issues in the election. We've added pop-up bubbles to stump speeches to give context to the candidates' statements on the war in Afghanistan, energy and the economy.