Work continues on selecting the other two hubs.
These jaws mesh loosely when the two hubs are brought together.
These universities are located in the two "hubs" of synthetic biology - Boston and San Francisco's Bay Area.
Pardus said a merger with Northwest could save $1.5 billion a year, largely by shutting two hubs.
The most competitive transpacific route was Los Angeles-Tokyo, with six airlines flying between the two hubs.
Vancouver has adopted essentially the same model, creating two hubs: one downtown and one up in Whistler.
"The move to two hubs will provide a more consistent, higher quality, swifter service to the public and further improve the overall efficiency of our call handling".
Management of the BBC's national stations is to be reorganised into two hubs that will share some management and support services.
Full-service competitors have retaliated not by changing their own fare structures, but by cutting prices on flights to Phoenix and Las Vegas, America West's two hubs.
People have flowed easily between the two hubs, and for 30 years, this bus line, the Omnibus La Cubana, has been the transportation of choice for many.
This design is characterized by two hubs, each having two or more thick, stubby protrusions around their perimeters, called jaws, pointing toward the opposing hub.
