The new findings were presented this week in San Antonio,Texas, at a meeting of the Associated Professional Sleep Societies.

VOA: special.2010.06.09

Yet sleep scientist Ying-Hui Fu at the University of California, San Francisco,says little is known about the basic need for sleep.

VOA: special.2009.08.26

In return,he had to promise that the mail would travel from Saint Louis,Missouri, to San Francisco,California, in twenty-five days or less.

VOA: special.2010.04.26

The new study involved researchers from the University of Chicago, Harvard University and the University of California at San Diego.

VOA: special.2009.12.22

The next day, the San Francisco Chronicle newspaper printed four words in French across the front of the paper.

VOA: special.2009.12.14

That was the finding of sociology professor David Phillips at the University of California, San Diego, and his student Gwendolyn Barker.

VOA: special.2010.06.16

Many years later, after Emperor Norton's death, a bridge was built extending from San Francisco to the city of Oakland.

VOA: special.2009.12.14

Ms.Gass used cloth and paints to create an image of a water treatment center on the San Francisco Bay.

VOA: special.2011.06.15

A ship that sailed from New York to San Francisco had to travel around the bottom of South America.

VOA: special.2009.12.23

Researchers from Harvard University and the University of California, San Diego, have found an answer as part of a study.

VOA: special.2009.01.21

Then the opera will move on to Calgary,Canada and the California cities of San Diego and San Francisco.

VOA: special.2010.06.11

Today we tell you about one of the few prisons in America that offer college-level classes: San Quentin State Prison in California.

VOA: special.2011.07.07

It had to keep moving to reach San Francisco in twenty-five days as required by the government contract.

VOA: special.2010.04.26

He began to work on one of his long-time dreams - opening a sports center for the young people of San Juan.

VOA: special.2010.04.11