"I've been just intrigued," said David M. Mason, a professor of chemical engineering and chemistry at Stanford University and a member of the board.

"The short answer is, I have no idea," said Dimitar Sasselov, a professor of astronomy at Harvard and a member of the research team.

"This seems to really convince people," said Dr. Stein B. Jacobsen, a professor of geochemistry at Harvard and a member of the research team.

He was a professor of political economics at Stockholm University and a member of the Stockholm School of economic thought.

In 1851, he became professor of constitutional law and, in 1862, a member of the committee to draft a new constitution.

Keith F. Widaman, a professor of psychology at the Riverside campus and a member of a task force that helped the Regents develop their guidelines, agreed.

He is a professor of economics at Stanford and a member of The Los Angeles Times board of economists and writes a regular column.

Dr Koulaei is professor of political science at Tehran University and a member of the Islamic Iran Participation Front.

He is a professor of journalism at Columbia College Chicago and a member of the school's Board of Trustees.

"Foam really is complicated," said Douglas D. Osheroff, a professor of physics at Stanford and a member of the board that investigated the Columbia accident.