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    <title>NYT &gt; Science</title>
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    <copyright>Copyright 2008
 The New York Times Company</copyright>
    <lastBuildDate>Sun, 30 Nov 2008 23:55:06 GMT
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      <title>NYT &gt; Science</title>
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      <title>Space Shuttle Lands</title>
      <link>http://www.nytimes.com/2008/12/01/science/space/01shuttle.html?partner=rss&amp;emc=rss</link>
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      <description>The shuttle landed in the Mojave Desert, diverted from a planned Florida landing by low clouds and high crosswinds.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/12/01/science/space/01shuttle.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/12/01/science/space/01shuttle.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
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      <dc:creator>By WILLIAM HARWOOD</dc:creator>
      <pubDate>Sun, 30 Nov 2008 22:30:22 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Space Shuttle</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Space</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_org_all">National Aeronautics and Space Administration</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_org_all">Kennedy Space Center</category>
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    <item>
      <title>Egyptian-Born Scientist Leaves U.S. After Losing Suit</title>
      <link>http://www.nytimes.com/2008/11/29/us/29scientist.html?partner=rss&amp;emc=rss</link>
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      <description>The scientist, Abdel Moniem Ali el-Ganayni, had filed a lawsuit saying the revocation of his security clearance was punishment for criticizing the Iraq war and President Bush.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/29/us/29scientist.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/29/us/29scientist.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By THE ASSOCIATED PRESS</dc:creator>
      <pubDate>Sat, 29 Nov 2008 08:25:11 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Security and Warning Systems</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_per">el-Ganayni, Abdel Moniem Ali</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_keyword">Scientists</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_geo">Egypt</category>
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    <item>
      <title>In Maryland, Focus on Poultry Industry Pollution</title>
      <link>http://www.nytimes.com/2008/11/29/us/29poultry.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/29/us/29poultry.html</guid>
      <description>As officials seek new rules on how farmers can spread or store chicken manure, the industry is fighting back.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/29/us/29poultry.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/29/us/29poultry.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By IAN URBINA</dc:creator>
      <pubDate>Sat, 29 Nov 2008 08:24:47 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Chicken</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Waste Materials and Disposal</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_geo">Maryland</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Agriculture</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Poultry</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Environment</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Fertilizer</category>
    </item>
    <item>
      <title>A Land Rush in Wyoming Spurred by Wind Power</title>
      <link>http://www.nytimes.com/2008/11/28/us/28wind.html?partner=rss&amp;emc=rss</link>
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        <media:description>Grant Stumbough, left, visited with Gregor Goertz, head of the Slater Wind Energy Association, this month near Slater Bench, the mesa in the distance, outside Wheatland, Wyo.</media:description>
        <media:credit>Kevin Moloney for The New York Times</media:credit>
      </media:group>
      <description>Residents are forming associations to bargain with developers looking to buy land rights for wind farms.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/us/28wind.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/us/28wind.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By FELICITY BARRINGER</dc:creator>
      <pubDate>Fri, 28 Nov 2008 07:02:14 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Wind</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Energy and Power</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_geo">Wyoming</category>
    </item>
    <item>
      <title>Space Shuttle Undocks From Space Station</title>
      <link>http://www.nytimes.com/aponline/science/AP-Space-Shuttle.html?partner=rss&amp;emc=rss</link>
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      <description>Space shuttle Endeavour and its crew of seven departed the International Space Station on Friday.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/aponline/science/AP-Space-Shuttle.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/aponline/science/AP-Space-Shuttle.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By THE ASSOCIATED PRESS</dc:creator>
      <pubDate>Sat, 29 Nov 2008 09:15:06 GMT</pubDate>
    </item>
    <item>
      <title>Asian Beetle Spells Death for Maples So Dear</title>
      <link>http://www.nytimes.com/2008/11/28/us/28trees.html?partner=rss&amp;emc=rss</link>
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        <media:description>In Worcester, Mass., a Department of Agriculture worker scours the trees for the insects that have taken hold there in part because of a lack of tree diversity.</media:description>
        <media:credit>Stephan Savoia/Associated Press</media:credit>
      </media:group>
      <description>A number of maple trees in Worcester, Mass., will be chopped down because of an infestation of Asian long-horned beetles that is plaguing thousands of trees.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/us/28trees.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/us/28trees.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By ARIANA GREEN</dc:creator>
      <pubDate>Fri, 28 Nov 2008 06:59:33 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Trees and Shrubs</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Insects</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_geo">Massachusetts</category>
    </item>
    <item>
      <title>NYC: Tickling Worms Leads to Discoveries, and a Measure of Fame</title>
      <link>http://www.nytimes.com/2008/11/28/nyregion/28nyc.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/28/nyregion/28nyc.html</guid>
      <description>Dr. Martin Chalfie, winner of the 2008 Nobel Prize in Chemistry, is learning that winning one of the world&#x2019;s most prestigious prizes does come with perks.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/nyregion/28nyc.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/nyregion/28nyc.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By CLYDE HABERMAN</dc:creator>
      <pubDate>Fri, 28 Nov 2008 12:33:05 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Chemistry</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Nobel Prizes</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_per">Chalfie, Martin</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
    </item>
    <item>
      <title>Investment Funds Push an Environmental Agenda</title>
      <link>http://www.nytimes.com/2008/11/28/business/28green.html?partner=rss&amp;emc=rss</link>
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      <description>Investing with the idea of improving the environmental actions of corporations is catching on among some big pension funds.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/business/28green.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/business/28green.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By ELISABETH ROSENTHAL</dc:creator>
      <pubDate>Fri, 28 Nov 2008 05:24:19 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Pensions and Retirement Plans</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Environment</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Stocks and Bonds</category>
    </item>
    <item>
      <title>Edwin E. Salpeter, Leader in Astrophysics Study, Dies at 83</title>
      <link>http://www.nytimes.com/2008/11/29/nyregion/29salpeter.html?partner=rss&amp;emc=rss</link>
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        <media:description>Edwin E. Salpeter in a photograph distributed in 1970.</media:description>
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      <description>Dr. Salpeter was an astrophysicist known for his studies of chain reactions in stars and as a developer of the &#x201C;Salpeter-Bethe equation&#x201D; describing how helium changes to carbon.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/29/nyregion/29salpeter.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/29/nyregion/29salpeter.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By THE ASSOCIATED PRESS</dc:creator>
      <pubDate>Sat, 29 Nov 2008 10:24:33 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_org_all">Cornell University</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Stars and Galaxies</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Astronomy and Astrophysics</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Deaths (Obituaries)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_geo">Ithaca (NY)</category>
    </item>
    <item>
      <title>Arduous Space Mission in the Homestretch</title>
      <link>http://www.nytimes.com/2008/11/26/science/space/26shuttle.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/26/science/space/26shuttle.html</guid>
      <description>The shuttle Endeavour will separate from the International Space Station on Friday and will land as early as Sunday at 1:18 p.m., weather permitting.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/26/science/space/26shuttle.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/26/science/space/26shuttle.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By JOHN SCHWARTZ</dc:creator>
      <pubDate>Fri, 28 Nov 2008 07:25:07 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Space Shuttle</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Endeavour (Space Shuttle)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">International Space Station</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_org_all">National Aeronautics and Space Administration</category>
    </item>
    <item>
      <title>The Great White Way Tries to Turn Green</title>
      <link>http://www.nytimes.com/2008/11/26/theater/26gree.html?partner=rss&amp;emc=rss</link>
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        <media:description>Michele Gutierrez changes sign bulbs for &#x201C;Hair,&#x201D; opening at the Al Hirschfeld Theater in March.</media:description>
        <media:credit>Sara Krulwich/The New York Times</media:credit>
      </media:group>
      <description>Broadway Goes Green is a new partnership between the city and Broadway that is meant to shrink the Shrek-size carbon footprint of the Great White Way.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/26/theater/26gree.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/26/theater/26gree.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By STEVEN McELROY</dc:creator>
      <pubDate>Wed, 26 Nov 2008 06:57:31 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Theater</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Electric Light Bulbs</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_org_all">Broadway League</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Sustainable Living</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Environment</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Lighting</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Energy Efficiency</category>
    </item>
    <item>
      <title>World Briefing | The Americas: Canada: Hawking Takes Post at Physics Institute</title>
      <link>http://www.nytimes.com/2008/11/28/world/americas/28briefs-HAWKINGTAKES_BRF.html?partner=rss&amp;emc=rss</link>
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      <description>Stephen Hawking will become the first distinguished research chair at Canada&#x2019;s leading scientific trust, the Perimeter Institute for Theoretical Physics in Waterloo, Ontario.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/world/americas/28briefs-HAWKINGTAKES_BRF.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/28/world/americas/28briefs-HAWKINGTAKES_BRF.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By IAN AUSTEN</dc:creator>
      <pubDate>Fri, 28 Nov 2008 06:39:46 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_per">Hawking, Stephen W</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Physics</category>
    </item>
    <item>
      <title>Basics: In an Age of Robots, One to Clean the House? Still but a Dream</title>
      <link>http://www.nytimes.com/2008/11/25/science/25angi.html?partner=rss&amp;emc=rss</link>
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        <media:description><em class="bold">GREEN &#x2018;THUMBS&#x2019;</em> In a class at the Massachusetts Institute of Technology, a robot will water a tomato plant when the plant makes a request. The plot of a half-dozen or so plants is serviced entirely by robots.</media:description>
        <media:credit>C. J. Gunther for The New York Times</media:credit>
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      <description>Today&#x2019;s experimental robots bear little physical resemblance to our fantasy androids.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25angi.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25angi.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By NATALIE ANGIER</dc:creator>
      <pubDate>Sun, 30 Nov 2008 10:57:50 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Robots</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Artificial Intelligence</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_org_all">Massachusetts Institute of Technology</category>
    </item>
    <item>
      <title>Bald Eagles in Catskills Show Increasing Mercury</title>
      <link>http://www.nytimes.com/2008/11/25/science/25eagl.html?partner=rss&amp;emc=rss</link>
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        <media:description><em class="bold">CHECKING IN</em> Researchers studying bald eagles visited a nest to collect data, take a blood sample and place bands on the legs of young eagles. Scientists say further study of elevated mercury levels is needed.</media:description>
        <media:credit>Lou Bouscher</media:credit>
      </media:group>
      <description>An environmental organization has found high levels of 0f mercury in the blood and feathers of bald eagle chicks in the Catskill Park region of New York.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25eagl.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25eagl.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By ANTHONY DePALMA</dc:creator>
      <pubDate>Tue, 25 Nov 2008 04:18:10 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Mercury (Metal)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Bald Eagles</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Hazardous and Toxic Substances</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Birds</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Endangered and Extinct Species</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Animals</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_geo">Catskills (NYS Area)</category>
    </item>
    <item>
      <title>Books: Magnificent Medical Miracles, and Everyday Ones, Too</title>
      <link>http://www.nytimes.com/2008/11/25/health/25book.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/health/25book.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/24/health/24books_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description/>
        <media:credit>Valero Doval</media:credit>
      </media:group>
      <description>Two new health books go a long way toward explicating medical miracles pursued and those that unfold against all expectations.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/25book.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/25book.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By ABIGAIL ZUGER, M.D</dc:creator>
      <pubDate>Tue, 25 Nov 2008 17:54:52 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Medicine and Health</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Books and Literature</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Religion and Churches</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_org_all">Roman Catholic Church</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_ttl">Medical Miracles (Book)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_ttl">7 Wheelchairs (Book)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Poliomyelitis</category>
    </item>
    <item>
      <title>Books of The Times: Polly Wanna Cracker? Squawk! Do Better, That&#x2019;s So Bush League</title>
      <link>http://www.nytimes.com/2008/11/25/books/25kaku.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/books/25kaku.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/25/arts/Irene75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description>Irene M. Pepperberg</media:description>
        <media:credit>HarperCollins via Bloomberg News</media:credit>
      </media:group>
      <description>Irene M. Pepperberg describes her three-decade-long relationship with Alex the African gray parrot &#x2014; and her struggle to win recognition from the scientific establishment.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/books/25kaku.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/books/25kaku.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By MICHIKO KAKUTANI</dc:creator>
      <pubDate>Tue, 25 Nov 2008 16:19:05 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_per">Pepperberg, Irene M.</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Birds</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Books and Literature</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_ttl">Alex &amp; Me (Book)</category>
    </item>
    <item>
      <title>Slump May Limit Moves on Clean Energy</title>
      <link>http://www.nytimes.com/2008/11/25/world/25climate.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/world/25climate.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/24/world/25climate2_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description>People looking for coal at a dump in Changzhi, China.  The nation depends heavily on fossil fuels. </media:description>
        <media:credit>Reuters</media:credit>
      </media:group>
      <description>A poor global economy and plunging prices for coal and oil are upending plans to curb the use of fossil fuels.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/world/25climate.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/world/25climate.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By ELISABETH ROSENTHAL</dc:creator>
      <pubDate>Tue, 25 Nov 2008 22:18:16 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">International Trade and World Market</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Environment</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Energy and Power</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Fuel Efficiency</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Oil (Petroleum) and Gasoline</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Carbon Dioxide</category>
    </item>
    <item>
      <title>Observatory: Once Thought Invasive, Some Gal&#xE1;pagos Plants Can Call the Place Home</title>
      <link>http://www.nytimes.com/2008/11/25/science/25obplants.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/science/25obplants.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/25/science/24obplant_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description>Cuphea carthagenensis, one of the six species found to be native.</media:description>
        <media:credit/>
      </media:group>
      <description>Some plants that were thought to be invasive species in the Gal&#xE1;pagos Islands predate humans by thousands of years.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25obplants.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25obplants.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By HENRY FOUNTAIN</dc:creator>
      <pubDate>Tue, 25 Nov 2008 04:19:24 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Invasive Species</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Flowers and Plants</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_geo">Galapagos Islands</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
    </item>
    <item>
      <title>Observatory: Blanket of Soil May Hide Vast Martian Glaciers</title>
      <link>http://www.nytimes.com/2008/11/25/science/space/25obmars.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/science/space/25obmars.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/25/science/24obmars_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description>The orbiter&#x2019;s path over Mars (dashes). Inset, a radar reflection shows ice.</media:description>
        <media:credit>NASA/JPL/Malin Space Science Systems</media:credit>
      </media:group>
      <description>New evidence suggests that pure ice in the form of glaciers may be buried under a thin layer of soil and rock on the red planet.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/space/25obmars.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/space/25obmars.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By HENRY FOUNTAIN</dc:creator>
      <pubDate>Tue, 25 Nov 2008 04:20:35 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Mars (Planet)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Ice</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
    </item>
    <item>
      <title>Vital Signs: Safety: Helmets&#x2019; Face Shields Found to Be Sturdy</title>
      <link>http://www.nytimes.com/2008/11/25/health/25safety.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/health/25safety.html</guid>
      <description>Plastic face shields that attach to helmets are strong enough to protect players&#x2019; eyes from even the most powerful blows, a new study finds.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/25safety.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/25safety.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By ERIC NAGOURNEY</dc:creator>
      <pubDate>Tue, 25 Nov 2008 04:27:38 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Sports Medicine</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Helmets</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Eyes and Eyesight</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Accidents and Safety</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Medicine and Health</category>
    </item>
    <item>
      <title>Q &amp; A: Old and Cold</title>
      <link>http://www.nytimes.com/2008/11/25/science/25qna.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/science/25qna.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/24/science/24qna_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description/>
        <media:credit>Victoria Roberts</media:credit>
      </media:group>
      <description>Does age affect people&#x2019;s ability to endure cold?&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25qna.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25qna.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By C. CLAIBORNE RAY</dc:creator>
      <pubDate>Tue, 25 Nov 2008 04:16:52 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Age, Chronological</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Temperature</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Medicine and Health</category>
    </item>
    <item>
      <title>Vital Signs: Nostrums: Ginkgo Biloba Found Not to Avert Dementia</title>
      <link>http://www.nytimes.com/2008/11/25/health/research/25nost.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/health/research/25nost.html</guid>
      <description>Ginkgo biloba appears to do nothing to prevent dementia or Alzheimer&#x2019;s disease, a new study says.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/research/25nost.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/research/25nost.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By ERIC NAGOURNEY</dc:creator>
      <pubDate>Tue, 25 Nov 2008 04:28:38 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Alzheimer's Disease</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Dietary Supplements and Herbal Remedies</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Research</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Dementia</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Medicine and Health</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_keyword">Ginkgo biloba</category>
    </item>
    <item>
      <title>Observatory: Studying Rare Penguin, Scientist Finds New Species</title>
      <link>http://www.nytimes.com/2008/11/25/science/25obpeng.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/science/25obpeng.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/24/science/24obpenguin_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description/>
        <media:credit>Chris Gash</media:credit>
      </media:group>
      <description>The most unusual aspect of the scientists&#x2019; discovery of a new species of penguin is that it&#x2019;s extinct.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25obpeng.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25obpeng.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By HENRY FOUNTAIN</dc:creator>
      <pubDate>Tue, 25 Nov 2008 04:21:07 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Penguins</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Endangered and Extinct Species</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
    </item>
    <item>
      <title>Statins May Lower Odds of Pneumonia Death</title>
      <link>http://www.nytimes.com/2008/11/25/health/research/25pneu.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/health/research/25pneu.html</guid>
      <description>Statins, the drugs widely used to control cholesterol, may have another beneficial effect: lowering the risk of death from pneumonia.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/research/25pneu.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/research/25pneu.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By NICHOLAS BAKALAR</dc:creator>
      <pubDate>Tue, 25 Nov 2008 04:24:36 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Statins (Cholesterol-Lowering Drugs)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Medicine and Health</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Cholesterol</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Pneumonia</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Drugs (Pharmaceuticals)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Zocor (Drug)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Medicine and Health</category>
    </item>
    <item>
      <title>A Whisper, Perhaps, From the Universe&#x2019;s Dark Side</title>
      <link>http://www.nytimes.com/2008/11/25/science/25dark.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/science/25dark.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/25/science/24dark_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description><em class="bold">HIGH STAKES</em>  Inflating a balloon that  may have detected a sign of dark matter annihilation. </media:description>
        <media:credit>Joachim B. Isbert</media:credit>
      </media:group>
      <description>Recent results from a number of experiments have led some scientists to suspect that they are getting signals from a shadow universe of dark matter.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25dark.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25dark.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By DENNIS OVERBYE</dc:creator>
      <pubDate>Wed, 26 Nov 2008 04:07:06 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Dark Matter (Astronomy)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Physics</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Science and Technology</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Astronomy and Astrophysics</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Space</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Large Hadron Collider</category>
    </item>
    <item>
      <title>A Soldier, Taking Orders From Its Ethical Judgment Center</title>
      <link>http://www.nytimes.com/2008/11/25/science/25robots.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/science/25robots.html</guid>
      <media:group>
        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/24/science/24dean1a_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description/>
        <media:credit>Viktor Koen</media:credit>
      </media:group>
      <description>Some scientists propose that fighting robots have benefits, but moral questions linger.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25robots.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/science/25robots.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By CORNELIA DEAN</dc:creator>
      <pubDate>Tue, 25 Nov 2008 22:53:28 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Robots</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">United States Armament and Defense</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Ethics</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Terrorism</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Artificial Intelligence</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Science and Technology</category>
    </item>
    <item>
      <title>The Evidence Gap: New Arena for Testing of Drugs: Real World</title>
      <link>http://www.nytimes.com/2008/11/25/health/research/25trials.html?partner=rss&amp;emc=rss</link>
      <guid isPermaLink="true">http://www.nytimes.com/2008/11/25/health/research/25trials.html</guid>
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        <media:content>
          <media:url>http://graphics8.nytimes.com/images/2008/11/25/science/24trials_75.jpg</media:url>
          <media:medium>image</media:medium>
          <media:height>75</media:height>
          <media:width>75</media:width>
        </media:content>
        <media:description><em class="bold">FILLING GAPS</em> Sylvia Syvenky, 70, is part of a study on heart failure, an effort to determine which treatment is best for typical patients with complex symptoms.</media:description>
        <media:credit>Ian Jackson for The New York Times</media:credit>
      </media:group>
      <description>There is a growing movement to gather evidence to explore what treatment is best for typical patients with complex symptoms.&lt;br/&gt;&lt;br/&gt;&lt;span class="advertisement"&gt;    &lt;a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/research/25trials.html"&gt;&lt;img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&amp;u=http://www.nytimes.com/2008/11/25/health/research/25trials.html" border="0"/&gt;&lt;/a&gt;&lt;/span&gt;
</description>
      <dc:creator>By GINA KOLATA</dc:creator>
      <pubDate>Tue, 25 Nov 2008 22:00:35 GMT</pubDate>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Medicine and Health</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Research</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/nyt_keyword">Clinical Trials</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/des">Drugs (Pharmaceuticals)</category>
      <category domain="http://www.nytimes.com/namespaces/keywords/mdes">Tests and Testing</category>
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