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	<title>The Why Files &#187; Structure of the earth system</title>
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	<description>The Science Behind The News</description>
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		<item>
		<title>Shock and aftershock in Haiti</title>
		<link>http://whyfiles.org/2010/shock-and-aftershock-in-haiti/</link>
		<comments>http://whyfiles.org/2010/shock-and-aftershock-in-haiti/#comments</comments>
		<pubDate>Thu, 28 Jan 2010 22:59:51 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Structure of the earth system]]></category>
		<category><![CDATA[Aftershock]]></category>
		<category><![CDATA[earthquake]]></category>
		<category><![CDATA[earthquake forecasting]]></category>
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		<guid isPermaLink="false">http://whyfiles.org/?p=4298</guid>
		<description><![CDATA[Aftershocks and triggered earthquakes both follow a large earthquake, and they don't happen at random.  Can lessons about the sequence and timing of quakes improve safety?]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Looking anew at diamonds</title>
		<link>http://whyfiles.org/2008/looking-anew-at-diamonds/</link>
		<comments>http://whyfiles.org/2008/looking-anew-at-diamonds/#comments</comments>
		<pubDate>Thu, 10 Jan 2008 21:32:04 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[blue diamond]]></category>
		<category><![CDATA[conflict diamond]]></category>
		<category><![CDATA[fingerprint]]></category>
		<category><![CDATA[Hope diamond]]></category>
		<category><![CDATA[phosphorescence]]></category>
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		<category><![CDATA[spectroscopic]]></category>
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		<guid isPermaLink="false">http://whyfiles.org/?p=1032</guid>
		<description><![CDATA[New analysis uses light to distinguish one diamond from another. Technique may help jewelers, but won't help the battle against the "conflict diamonds" that are fueling wars in Africa.]]></description>
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		<title>Understanding Earthquakes!</title>
		<link>http://whyfiles.org/2005/earthquake/</link>
		<comments>http://whyfiles.org/2005/earthquake/#comments</comments>
		<pubDate>Thu, 03 Nov 2005 15:01:04 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Indian Ocean]]></category>
		<category><![CDATA[Pakistan]]></category>
		<category><![CDATA[progressive earthquake]]></category>
		<category><![CDATA[seismology]]></category>
		<category><![CDATA[understand earthquakes]]></category>
		<category><![CDATA[understand tsunamis]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=586</guid>
		<description><![CDATA[Quake was one of top 10 on record. What are earthquakes? How do we study them? Are we any closer to accurate predictions?]]></description>
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		<title>Comet Collision: Close Encounters of the Cometary Kind</title>
		<link>http://whyfiles.org/2005/comets-up-close/</link>
		<comments>http://whyfiles.org/2005/comets-up-close/#comments</comments>
		<pubDate>Thu, 28 Jul 2005 19:24:34 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[comet Tempel 1]]></category>
		<category><![CDATA[Deep Impact]]></category>
		<category><![CDATA[solar system]]></category>
		<category><![CDATA[space science]]></category>
		<category><![CDATA[Wild 2]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=721</guid>
		<description><![CDATA[What can we learn from whacking comets, up close and personal? What do comets tell us about the early solar system? And what is the role of comets in history?]]></description>
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		<title>Saturn&#8217;s Secret: Lightning</title>
		<link>http://whyfiles.org/2004/saturns-secret-lightning/</link>
		<comments>http://whyfiles.org/2004/saturns-secret-lightning/#comments</comments>
		<pubDate>Wed, 22 Dec 2004 16:19:21 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Cassini]]></category>
		<category><![CDATA[Don Gurnett]]></category>
		<category><![CDATA[dust]]></category>
		<category><![CDATA[Huygens]]></category>
		<category><![CDATA[lightning on Saturn]]></category>
		<category><![CDATA[radio and plasma wave science instrument]]></category>
		<category><![CDATA[Saturn]]></category>
		<category><![CDATA[Saturn rings]]></category>
		<category><![CDATA[Titan]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=6</guid>
		<description><![CDATA[Cassini finds lightning strikes on Saturn, haze on moon Titan, dust between the rings, and new rotation rate.  ]]></description>
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		</item>
		<item>
		<title>Planet Formation</title>
		<link>http://whyfiles.org/2004/planet-formation/</link>
		<comments>http://whyfiles.org/2004/planet-formation/#comments</comments>
		<pubDate>Wed, 24 Nov 2004 18:03:59 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[amorphous silicate]]></category>
		<category><![CDATA[crystalline silicates]]></category>
		<category><![CDATA[crystals]]></category>
		<category><![CDATA[olivine]]></category>
		<category><![CDATA[origin of solar system]]></category>
		<category><![CDATA[planet formation]]></category>
		<category><![CDATA[protoplanetary disks]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=733</guid>
		<description><![CDATA[New view of crystals that form into planets in protoplanetary disks. Which came first, the planet or the crystals?]]></description>
		<wfw:commentRss>http://whyfiles.org/2004/planet-formation/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
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		<title>Volcanic Violence</title>
		<link>http://whyfiles.org/2004/volcanic-violence/</link>
		<comments>http://whyfiles.org/2004/volcanic-violence/#comments</comments>
		<pubDate>Thu, 21 Oct 2004 16:28:00 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Chemical reactions]]></category>
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		<category><![CDATA[Motions and forces]]></category>
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		<category><![CDATA[Transfer of energy]]></category>
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		<category><![CDATA[Krakatau]]></category>
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		<category><![CDATA[predict]]></category>
		<category><![CDATA[pyroclastic flow]]></category>
		<category><![CDATA[San Juan Parangaricutiro]]></category>
		<category><![CDATA[volcanic landscape]]></category>
		<category><![CDATA[volcano]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=605</guid>
		<description><![CDATA[How do we forecast or predict volcanoes? How do volcanoes change the landscape? How does life return after an eruption?]]></description>
		<wfw:commentRss>http://whyfiles.org/2004/volcanic-violence/feed/</wfw:commentRss>
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		<title>Lunar Eclipse</title>
		<link>http://whyfiles.org/2003/lunar-eclipse/</link>
		<comments>http://whyfiles.org/2003/lunar-eclipse/#comments</comments>
		<pubDate>Thu, 15 May 2003 15:08:44 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[eclipse]]></category>
		<category><![CDATA[lunar eclipse]]></category>
		<category><![CDATA[moon]]></category>
		<category><![CDATA[stars]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=594</guid>
		<description><![CDATA[Lunar eclipses are fleeting events, but their history goes deep. And what's what with that reddish hue?]]></description>
		<wfw:commentRss>http://whyfiles.org/2003/lunar-eclipse/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Earth Seen From Space</title>
		<link>http://whyfiles.org/2003/earth-eyed-from-space/</link>
		<comments>http://whyfiles.org/2003/earth-eyed-from-space/#comments</comments>
		<pubDate>Thu, 27 Mar 2003 15:00:17 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[satellite research]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=585</guid>
		<description><![CDATA[Earth Observing System uses satellites to accelerate earth science, oceanography, meteorology and global change.]]></description>
		<wfw:commentRss>http://whyfiles.org/2003/earth-eyed-from-space/feed/</wfw:commentRss>
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		<title>Desert Dust Detailed</title>
		<link>http://whyfiles.org/2002/desert-dust-detailed/</link>
		<comments>http://whyfiles.org/2002/desert-dust-detailed/#comments</comments>
		<pubDate>Thu, 14 Mar 2002 16:41:16 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<guid isPermaLink="false">http://whyfiles.org/?p=613</guid>
		<description><![CDATA[Soils provide new clues to early desert formation in Asia. The vast Loess Plateau of China has good soil; a remnant of wind-blown dust from millions of years ago.]]></description>
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