The substitution rates estimated from runs with only deep date priors were consistently lower than those estimated when the more recent priors were included (e.g., 0.14 vs 0.71 for the first codon positions) and these differences were statistically significant.
Out in California, an oil company started digging a hole about 16 months ago, in the hope of reaching a deep stratum dating from the Eocene period.
MIT has a long history of pedagogical boldness balanced with deep introspection, dating from its earliest educational innovation: the merger of lofty intellect with hands-on experimentation.
He and Mr. Stevens have deep ties dating back to their native Mississippi; in 1982, when Mr. Barbour was still a boy, Mr. Stevens ran the Senate race for Mr. Barbour's uncle.
The New Yorker, February 19 , 1955P. 23 Out in California, an oil company started digging a hole about 16 months ago, in the hope of reaching a deep stratum dating from the Eocene period.
While Saudi money and teaching have unquestionably been "accelerants," Pakistan's sectarian troubles and jihadist violence have deep roots dating to the country's origins in the partition of India in 1947.
Skeptics of further economic development between the countries also point to deep mistrust dating to border skirmishes fought on Damansky Island in the Ussuri River in 1969 that put the Soviet Union in a defensive crouch along the border and froze all development for decades.
The breakdown of the negotiations came as new documents released by a Congressional committee revealed that a top Andersen partner expressed deep concerns dating back as far as 1999 about certain accounting practices used by Enron, which sought bankruptcy protection in December.
In a hint of the defense strategy, Ahsan said that Iran and the United States, despite their deep differences dating to American support for the shah before the Iranian revolution that deposed him, have never attacked one another, so under international law they are not considered "hostile" nations.
