Morning Edition

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RENEE MONTAGNE, HOST:

This is MORNING EDITION from NPR News. I'm Renee Montagne.

STEVE INSKEEP, HOST:

And I'm Steve Inskeep.

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STEVE INSKEEP, HOST:

OK. Let's turn to a rivalry between siblings. Today's last word in business is Harbowl - or Harbaugh Bowl.

An Indiana man tried to trademark those two phrases last year, according to ESPN.com.

RENEE MONTAGNE, HOST:

Roy Fox figured the Harbaugh brothers - both NFL coaches - might someday meet in the Super Bowl. This year it is happening. Jim Harbaugh's San Francisco 49ers face John Harbaugh's Baltimore Ravens a week from Sunday.

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RENEE MONTAGNE, HOST:

It took a very long time for this...

(SOUNDBITE OF WOLF HOWLING)

MONTAGNE: ...to evolve into this:

(SOUNDBITE OF DOG BARKING)

MONTAGNE: But the gray wolf is the ancestor of all domesticated dogs, including that Jack Russell terrier we just heard. Just how wolves came to live with people isn't really known. But as NPR's Veronique LaCapra reports, a new study suggests that food may have played a role.

VERONIQUE LACAPRA, BYLINE: Most dogs will eat just about anything.

(SOUNDBITE OF DOG EATING)

There's still more to learn about the risks of smoking and the benefits of quitting.

Studies in this week's New England Journal of Medicine show that the risk for women has been under-appreciated for decades. New data also quantify the surprising payoffs of smoking cessation — especially under the age of 40.

A week has passed since the terrorist attack on a natural gas facility in Algeria, but risk analysts and security experts are still undecided about the incident's likely impact in the energy world.

The price of oil, a good indicator of anxiety in the energy market, went up modestly right after the attack, but then it stabilized. No energy company has suspended operations in Algeria, nor has any company announced it will hold off on future investments in North Africa, a key source of oil and gas supplies.