Tim D. White of Berkeley, a leader of the study team, said, "We are getting so close to that common ancestor of hominids and chimps, and we'd love to find an earlier skeleton".
"It was very surprising," the leader of the study, Dr. Gary Foster, said.
Dawn L. Hershman, MD, MS, was a senior leader of the study, which was run by SWOG Cancer Research Network.
Many coal-fired plants exceed all the proposed thresholds, says Lincoln Pratson, leader of the study team at Duke.
Some blacks were outraged that the leader of the study committee was white; others accused the committee of having an ideological bent that would skew the results.
"Summers are getting longer," said Nathan L. Stephenson, of the United States Geological Survey, a leader of the study with Phillip van Mantgem, also of the geological survey.
The results were something of a surprise, says Kathleen D. Vohs, a behavioral scientist at the University of Minnesota and the leader of the study.
But in a telephone interview, the leader of the study, Dr. Francis Raul, research director at the French National Institute of Health in Strasbourg, France, said he and his fellow researchers called for more study of 2-ACB's.
No patient has entered the trial, which the F.D.A. allowed on Monday, said Dr. James Rahal, the chief of infectious diseases at New York Hospital Queens and a leader of the study.
The research confirms Martin's hypothesis, said Daniel Sigman, Princeton's Dusenbury Professor of Geological and Geophysical Sciences, and a co-leader of the study.
Suzanne Topalian, a co-leader of the study and associate director of Johns Hopkins's new Bloomberg-Kimmel Instheute foresultsr Immunology, said the results provide an "open door" for considering immunotherapy for other cancers caused by viruses.
