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Systems that turn a driver's speech into text are the most distracting. Drivers in a University of Utah test experienced a kind of inattention blindness that mean they sometimes overlooked potential hazards.

It might seem like a no-brainer to have an individual with a strong science background at the helm of a federal department that oversees a lot of complex science projects, like maintaining the nation's nuclear weapons labs. But Washington isn't a city that necessarily does no-brainers well.

In its first year on the red planet, the six-wheeled rover has driven a little bit more than a mile, drilled into rocks and performed chemical and mineral analysis. Its next journey is a 5-mile trek to the foothills of Mount Sharp to help study Mars' watery past.

Many forests in the American West have evolved with fire, and actually benefit from the occasional wildfire. But researchers are finding that trees that once would survive and thrive with small fires are now losing their ability to do so.

With the government on the brink of a shutdown, Republicans and Democrats in Congress have come together on a law to protect the Federal Helium Reserve. Legislation passed late last week will keep the gas used in party balloons flowing from the national stockpile.

The daughter of Arizona Sen. John McCain has made a name for herself with her very own brand of politics. Now Meghan McCain is hosting a new TV show that explores her Generation Y perspective.

President Obama's choice to head the Securities and Exchange Commission has prosecuted terrorists and mobsters. If she's confirmed, Mary Jo White's next challenge will be tackling reckless behavior on Wall Street. The success of this get-tough push will depend on changing the SEC's culture, analysts say.

Here's a new way to think about global warming. An interactive map plots how temperatures have changed in any region on the planet since the early 1950s.

A gloomy economy dooms the incumbent? Undecideds break toward the challenger? The tallest guy always wins? Not this time.

Friday's unemployment report shows a longer-term trend: The private sector created jobs as the public sector continued cutting them. The story of this difference begins with the financial crisis, in early November 2008.