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Topics - obamacon

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61
General Off-Topic Board / Poll: Favorite legal acronyms
« on: July 13, 2007, 08:10:23 PM »
witnesses having other rational explanations

62
General Off-Topic Board / Lady Bird Johnson dies at 94
« on: July 11, 2007, 05:42:28 PM »
December 22, 1912 July 11, 2007
http://en.wikipedia.org/wiki/Lady_Bird_Johnson

63
and...go.

64
when the CEO of Burger King said that his firm was the leader in "premium handheld chicken."

65
General Off-Topic Board / Did you do your part for Live Earth?
« on: July 07, 2007, 10:30:01 PM »
I let my car idle in the driveway and left all the lights on.

66
General Off-Topic Board / Poll: Espresso
« on: July 07, 2007, 03:05:00 AM »
It's just so beautiful.

67
General Off-Topic Board / Do the Mets bring down Miss P?
« on: July 07, 2007, 02:34:43 AM »
or vice versa?

68
General Off-Topic Board / Poll: Matisyahu
« on: July 05, 2007, 10:44:52 PM »
and...go.

69
Shocking I know.


    
Oldest DNA ever recovered shows warmer planet: report    
Jul 5 03:14 PM US/Eastern
   
                  


View larger image

      Scientists who probed two kilometers (1.2 miles) through a Greenland glacier to recover the oldest plant DNA on record said Thursday the planet was far warmer hundreds of thousands of years ago than is generally believed.

DNA of trees, plants and insects including butterflies and spiders from beneath the southern Greenland glacier was estimated to date to 450,000 to 900,000 years ago, according to the remnants retrieved from this long-vanished boreal forest.

That contrasts sharply with the prevailing view that a lush forest of this kind could only have existed in Greenland as recently as 2.4 million years ago, according to a summary of the study, which is published Thursday in the journal Science.

The samples suggest the temperature probably reached 10 degrees C (50 degrees Fahrenheit) in the summer and -17 C (1 F) in the winter.

They also indicated that during the last period between ice ages, 116,000-130,000 years ago, when temperatures were on average 5 C (9 F) higher than now, the glaciers on Greenland did not completely melt away.

"These findings allow us to make a more accurate environmental reconstruction of the time period from which these samples were taken," said Martin Sharp, a glaciologist at the University of Alberta, Canada, and a co-author of the paper.

"What we've learned is that this part of the world was significantly warmer than most people thought."

In a separate paper, also published in Science, European experts said they had analysed the world's deepest ice core, enabling them to reconstruct patterns of warming and glaciation over the past 800,000 years.

The 3,260-metre (10,595-feet) core was drilled into the East Antarctica icesheet at the Franco-Italian base, Dome C. The drillers, gathered in a venture called the European Project for Ice Coring in Antarctica (EPICA) stopped just 15 metres (48.75 feet) short of the bedrock.

Using traces of the hydrogen isotope deuterium in air bubbles trapped in the ice layers, the scientists built a record of greenhouse-gas concentrations over the aeons, which in turn provides a record of temperature.

They found the temperature varied widely, by as much as 15 C (27 F) over the 800,000 years. In the last Ice Age, which ended around 11,000 years ago, the temperature was 10 C (18 F) lower than today.

The EPICA team had previously analysed the Dome C core to a depth equivalent to 650,000 years ago.


Copyright AFP 2005, AFP stories and photos shall not be published, broadcast, rewritten for broadcast or publication or redistributed directly or indirectly in any medium

http://www.breitbart.com/article.php?id=070705191403.gahmdtoi&show_article=1

70
General Off-Topic Board / Poll: Banana Republic
« on: July 03, 2007, 11:44:07 PM »
and...go.

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