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	<title>The Why Files &#187; Natural</title>
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	<description>The Science Behind The News</description>
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		<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[Grades 5-8]]></category>
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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>
		<category><![CDATA[earthquake prediction]]></category>
		<category><![CDATA[earthquake safety]]></category>
		<category><![CDATA[Haiti]]></category>
		<category><![CDATA[natural disaster]]></category>
		<category><![CDATA[north anatolian fault]]></category>
		<category><![CDATA[quake]]></category>
		<category><![CDATA[seismic]]></category>
		<category><![CDATA[Sumatra-Andaman fault]]></category>
		<category><![CDATA[tremor]]></category>
		<category><![CDATA[triggered earthquake]]></category>
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		<category><![CDATA[Turkey]]></category>

		<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>Earthquake safety: It begins at home</title>
		<link>http://whyfiles.org/2008/earthquake-safety-it-begins-at-home/</link>
		<comments>http://whyfiles.org/2008/earthquake-safety-it-begins-at-home/#comments</comments>
		<pubDate>Thu, 22 May 2008 19:35:17 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[China]]></category>
		<category><![CDATA[collapsing houses]]></category>
		<category><![CDATA[collapsing schools]]></category>
		<category><![CDATA[concrete buildings]]></category>
		<category><![CDATA[earthquake engineering]]></category>
		<category><![CDATA[earthquake hazard zones]]></category>
		<category><![CDATA[earthquake hazards]]></category>
		<category><![CDATA[good building practices]]></category>
		<category><![CDATA[Sichuan earthquake]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1050</guid>
		<description><![CDATA[Construction matters. Hundreds of millions live and work in houses and schools that will collapse in the next earthquake. Chile and California prove that smart engineering saves lives.]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Ultimate Storm: What are hurricanes?</title>
		<link>http://whyfiles.org/2007/hurricane-science/</link>
		<comments>http://whyfiles.org/2007/hurricane-science/#comments</comments>
		<pubDate>Thu, 23 Aug 2007 21:40:03 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Natural]]></category>
		<category><![CDATA[Natural and human-induced hazards]]></category>
		<category><![CDATA[Natural hazards]]></category>
		<category><![CDATA[Physical Science]]></category>
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		<category><![CDATA[TAP]]></category>
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		<category><![CDATA[hurricane]]></category>
		<category><![CDATA[intensity]]></category>
		<category><![CDATA[prediction]]></category>
		<category><![CDATA[tropical cyclone]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=592</guid>
		<description><![CDATA[How do they form? How do we predict their paths? How can we improve predictions?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/hurricane-science/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Shark Dangers: How Overblown?</title>
		<link>http://whyfiles.org/2004/shark-dangers/</link>
		<comments>http://whyfiles.org/2004/shark-dangers/#comments</comments>
		<pubDate>Thu, 12 Aug 2004 14:31:45 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Behavior of organisms]]></category>
		<category><![CDATA[Biological Evolution]]></category>
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		<category><![CDATA[Diversity and adaptations of organisms]]></category>
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		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[hammerhead shark]]></category>
		<category><![CDATA[lemon shark]]></category>
		<category><![CDATA[shark attacks]]></category>
		<category><![CDATA[shark biology]]></category>
		<category><![CDATA[shark repellent]]></category>
		<category><![CDATA[social behavior of sharks]]></category>
		<category><![CDATA[studying sharks]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=564</guid>
		<description><![CDATA[New shark repellent tested. How common are shark attacks? Meet the social shark. Learn why some people are fascinated by this cold-blooded killer.]]></description>
		<wfw:commentRss>http://whyfiles.org/2004/shark-dangers/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Tornadoes: Power &amp; Fury</title>
		<link>http://whyfiles.org/2003/tornadoes-power-fury/</link>
		<comments>http://whyfiles.org/2003/tornadoes-power-fury/#comments</comments>
		<pubDate>Mon, 12 May 2003 16:27:19 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Motions and forces]]></category>
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		<category><![CDATA[tornado]]></category>
		<category><![CDATA[tornado safety]]></category>
		<category><![CDATA[warning]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=604</guid>
		<description><![CDATA[Tornadoes kill 60 Americans each year. How do we predict tornadoes? How do we make houses safer? Where do tornadoes get their energy?]]></description>
		<wfw:commentRss>http://whyfiles.org/2003/tornadoes-power-fury/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Pollution&#8217;s Natural in Namibia</title>
		<link>http://whyfiles.org/2002/pollutions-natural-in-namibia/</link>
		<comments>http://whyfiles.org/2002/pollutions-natural-in-namibia/#comments</comments>
		<pubDate>Thu, 31 Jan 2002 15:39:47 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Interdependence of organisms]]></category>
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		<category><![CDATA[Atlantic Ocean]]></category>
		<category><![CDATA[fish kills]]></category>
		<category><![CDATA[hydrogen sulfide]]></category>
		<category><![CDATA[Namibia]]></category>
		<category><![CDATA[satellite tracking]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=598</guid>
		<description><![CDATA[Atlantic Ocean releases giant bubble of hydrogen sulfide gas near Namibia, tracked for first time from space.]]></description>
		<wfw:commentRss>http://whyfiles.org/2002/pollutions-natural-in-namibia/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Ice in Antarctica</title>
		<link>http://whyfiles.org/2002/ice-in-antarctica/</link>
		<comments>http://whyfiles.org/2002/ice-in-antarctica/#comments</comments>
		<pubDate>Thu, 17 Jan 2002 18:23:47 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Natural hazards]]></category>
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		<category><![CDATA[global warming]]></category>
		<category><![CDATA[ice accumulation]]></category>
		<category><![CDATA[mass balance]]></category>
		<category><![CDATA[sea level rise]]></category>
		<category><![CDATA[West Antarctic Ice Sheet]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=626</guid>
		<description><![CDATA[West Antarctic Ice Sheet may be thickening, which could reduce the rise in sea level caused by global warming.]]></description>
		<wfw:commentRss>http://whyfiles.org/2002/ice-in-antarctica/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Lightning Illuminated at Last</title>
		<link>http://whyfiles.org/2001/lightning-illuminated/</link>
		<comments>http://whyfiles.org/2001/lightning-illuminated/#comments</comments>
		<pubDate>Thu, 02 Aug 2001 17:58:01 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[lightning]]></category>
		<category><![CDATA[lightning detection]]></category>
		<category><![CDATA[medical effects]]></category>
		<category><![CDATA[optical transient detector]]></category>
		<category><![CDATA[satellites and lightning]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=726</guid>
		<description><![CDATA[How is lightning generated? How does it affect the body? How can you stay safe? And what does lightning look like from space?]]></description>
		<wfw:commentRss>http://whyfiles.org/2001/lightning-illuminated/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Potato Peril? Irish Blight Returns</title>
		<link>http://whyfiles.org/2001/potato-peril/</link>
		<comments>http://whyfiles.org/2001/potato-peril/#comments</comments>
		<pubDate>Sat, 17 Mar 2001 14:13:34 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Personal and community health]]></category>
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		<category><![CDATA[food supply]]></category>
		<category><![CDATA[fungicides]]></category>
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		<category><![CDATA[genetic resistance]]></category>
		<category><![CDATA[Irish potato famine]]></category>
		<category><![CDATA[mycology]]></category>
		<category><![CDATA[potato crops]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=555</guid>
		<description><![CDATA[Fungus that caused Irish potato famine is back, threatening potato crops around the world. How did the blight change world history, and what is being done to prevent another blight? ]]></description>
		<wfw:commentRss>http://whyfiles.org/2001/potato-peril/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Shipwreck Mystery on Lake Superior</title>
		<link>http://whyfiles.org/2000/shipwreck-mystery/</link>
		<comments>http://whyfiles.org/2000/shipwreck-mystery/#comments</comments>
		<pubDate>Thu, 09 Nov 2000 17:55:27 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[shipwreck]]></category>
		<category><![CDATA[Sinking]]></category>
		<category><![CDATA[storm]]></category>
		<category><![CDATA[weather prediction]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=816</guid>
		<description><![CDATA[The Edmund Fitzgerald went down in 1975 with barely a trace, and no warning call whatsoever. New evidence pins the blame on terrible weather.]]></description>
		<wfw:commentRss>http://whyfiles.org/2000/shipwreck-mystery/feed/</wfw:commentRss>
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