The New York Giants' Brandon Jacobs is a 6'4", 270 pound running back. And with that kind of size, you think he'd be able to run right through would-be tacklers, especially when he only needs to pick up a few yards. But he often can't — Jacobs's stats are below average in those situations. A couple NFL greats and a physics professor have the answer.

The Labor Department released its monthly report Friday, which shows unemployment down to 8.3 percent. Is the dip strong enough to push the rate down further in the coming months?

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AUDIE CORNISH, HOST:

This is ALL THINGS CONSIDERED from NPR News. I'm Audie Cornish.

MELISSA BLOCK, HOST:

I'm Melissa Block. And we begin this hour with fresh evidence that the U.S. economy is on the mend. The unemployment rate fell unexpectedly last month to 8.3 percent. And according to the Labor Department, U.S. employers added nearly a quarter million workers to their payrolls. As NPR's Scott Horsley reports, it's not only good news for the economy and the nation, it's also good news for President Obama and his re-election campaign.

Republican candidates are campaigning across the state ahead of Saturday's caucuses. The state looks much different than it did four years ago — today it leads the country in home foreclosures, personal bankruptcies and unemployment.

High school football players have changes in their brain function long before they have recognizable signs of a concussion, according to a new study.

The more hits a player got, the more brain function changed. The findings support the growing belief that a concussion comes as the result of a succession of insults, not just one bad hit.

The Fife and Drum Restaurant offers a daily lunch bargain that sounds hard to pass up: For just $3.21, you get a hot, tasty meal, made mostly from scratch and delivered to your table by friendly waiters.

So what's the catch? You have to go through security before you're served.

Denver and Rome could not be farther apart. But today one city used to massive snow storms is facing a blizzard so big it cancelled 310 flights, even though the Denver airport has 500 workers clearing the snow. The other one hasn't seen this much snow since the '80s.

NPR's Sylvia Poggioli told our Newscast unit the 1.5 inches of snow in Rome and the 16 inches that have accumulated in the northern suburbs have meant that very few attended schools and big tourist attractions like the Colosseum were closed.

Five years ago, a subprime mortgage firestorm was melting down the U.S. economy, but most analysts didn't see it happening.

Federal Reserve Chairman Ben Bernanke, testifying before Congress in February 2007, said the housing sector "is a concern, but at this point we don't see it as being a broad financial concern or a major factor in assessing the course of the economy."

If he and the vast majority of economists were blind to the economic and financial calamity taking shape then, could they also be missing the start of a huge economic boom now?

A boom? Really?