Few people know the orcas of Puget Sound as well as Ken Balcomb.

A researcher with the Center for Whale Research on Washington state's San Juan Island, Balcomb has been studying the whales for more than 30 years.

It takes Balcomb only a few seconds of listening to the squeaks and whistles of underwater whale recordings to recognize the different pods of orcas.

In one recording, Balcomb identifies the group known as the L Pod — the family many people in the area are talking about right now.

Since a small contingent of Marines landed in the northern port town of Darwin last month, the U.S. has shown greater interest in using Australian military facilities as part of a larger effort to refocus its military capabilities in Southeast Asia and the western Pacific.

"We have no better ally or friend in the world than Australia, and we have no area in the world which is as important or dynamic over the next 50 years as the Asia Pacific," says Jeffrey Bleich, the U.S. ambassador to Australia.

For almost 20 years, the UniverSoul Circus has been pitching its tent in urban plazas across the country. The circus was founded by a Baltimore native as a showcase for black talent, one that he hoped would inspire black audiences.

In more recent times, the circus has evolved into an eclectic mix of acts from around the world. Now, it's pushing to diversify its audience, with a show called "Us."

Strength, Precision And Crowd-Pleasing Nerve

In the beginning, all of the talent was black. They came from Africa, the Caribbean and the U.S.