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By Usha Lee McFarling, Times Staff Writer

An ice core about two miles long — the oldest frozen sample ever drilled from the underbelly of Antarctica — shows that at no time in the last 650,000 years have levels of the greenhouse gases carbon dioxide and methane been as high as they are today.

The research, published in today's issue of the journal Science, describes the content of the greenhouse gases within the core and shows that carbon dioxide levels today are 27% higher than they have been in the last 650,000 years and levels of methane, an even more powerful greenhouse gas, are 130% higher, said Thomas Stocker, a climate researcher at the University of Bern and senior member of the European team that wrote two papers based on the core.

The work provides more evidence that human activity since the Industrial Revolution has significantly altered the planet's climate system, scientists said.

It's obvious that the Bush administration misled Americans about pre-war intelligence on Iraq. We need to know how that happened and why.

On December 9, 1968, Douglas C. Engelbart and the group of 17 researchers working with him in the Augmentation Research Center at Stanford Research Institute in Menlo Park, CA, presented a 90-minute live public demonstration of the online system, NLS, they had been working on since 1962. The public presentation was a session in the of the Fall Joint Computer Conference held at the Convention Center in San Francisco, and it was attended by about 1,000 computer professionals. This was the public debut of the computer mouse. But the mouse was only one of many innovations demonstrated that day, including hypertext, object addressing and dynamic file linking, as well as shared-screen collaboration involving two persons at different sites communicating over a network with audio and video interface.

TOPEKA, Kan., Nov. 8 -- The Kansas Board of Education voted Tuesday that students will be expected to study doubts about modern Darwinian theory, a move that defied the nation's scientific establishment even as it gave voice to religious conservatives and others who question the theory of evolution.

By a 6 to 4 vote that supporters cheered as a victory for free speech and opponents denounced as shabby politics and worse science, the board said high school students should be told that aspects of widely accepted evolutionary theory are controversial. Among other points, the standards allege a "lack of adequate natural explanations for the genetic code."

The bitterly fought effort pushes Kansas to the forefront of a war over evolution being waged in courts in Pennsylvania and Georgia and statehouses nationwide. President Bush stated his own position last summer, buoying social conservatives when he said "both sides" should be taught.

"This is a great day for education. This is one of the best things that we can do. This absolutely teaches more about science," said Steve E. Abrams, the Kansas board chairman who shepherded the conservative Republican majority that overruled a 26-member science committee and turned aside the National Academy of Sciences and the National Science Teachers Association.

...

Sue Gamble said the board, by dropping a phrase that defined science as "a search for natural explanations of observable phenomena," was opening the door to supernatural explanations.

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