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	<title>The Why Files &#187; Risks and Benefits</title>
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	<description>The Science Behind The News</description>
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		<title>Space Science: By Human or Robot?</title>
		<link>http://whyfiles.org/2003/space-science/</link>
		<comments>http://whyfiles.org/2003/space-science/#comments</comments>
		<pubDate>Thu, 13 Feb 2003 16:24:50 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[Abilities necessary to do scientific inquiry]]></category>
		<category><![CDATA[Abilities of technological design]]></category>
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		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Risks and Benefits]]></category>
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		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Space & astronomy]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[disaster]]></category>
		<category><![CDATA[International Space Station]]></category>
		<category><![CDATA[manned space travel]]></category>
		<category><![CDATA[mars]]></category>
		<category><![CDATA[robot space exploration]]></category>
		<category><![CDATA[shuttle Columbia]]></category>
		<category><![CDATA[space shuttle]]></category>
		<category><![CDATA[tragedy]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=601</guid>
		<description><![CDATA[Space shuttle Columbia has crashed, raising questions about research on the space shuttle and the International Space Station. Should we do space science by robots or manned vehicles?]]></description>
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		<title>Oil Spills Again</title>
		<link>http://whyfiles.org/2002/oil-spills-again/</link>
		<comments>http://whyfiles.org/2002/oil-spills-again/#comments</comments>
		<pubDate>Thu, 19 Dec 2002 18:36:29 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
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		<category><![CDATA[Environment]]></category>
		<category><![CDATA[Environment & pollution]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Human]]></category>
		<category><![CDATA[Natural and human-induced hazards]]></category>
		<category><![CDATA[Risks and Benefits]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Alaska]]></category>
		<category><![CDATA[beach pollution]]></category>
		<category><![CDATA[ecological research]]></category>
		<category><![CDATA[Exxon Valdez]]></category>
		<category><![CDATA[Galicia]]></category>
		<category><![CDATA[oil pollution]]></category>
		<category><![CDATA[oil spill]]></category>
		<category><![CDATA[Prestige tanker]]></category>
		<category><![CDATA[Spain]]></category>
		<category><![CDATA[Spanish Coast]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=634</guid>
		<description><![CDATA[What was the long-term impact of the Exxon Valdez spill in Alaska? Did the cleanup help, or make matters worse? Who are you going to believe in a case like this?]]></description>
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		<item>
		<title>Missile Defense: State of the &#8220;Art&#8221;</title>
		<link>http://whyfiles.org/1999/missile-defense/</link>
		<comments>http://whyfiles.org/1999/missile-defense/#comments</comments>
		<pubDate>Fri, 18 Jun 1999 19:48:02 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[Abilities of technological design]]></category>
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		<category><![CDATA[Science and Technology]]></category>
		<category><![CDATA[Science and technology in society]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[War & peace]]></category>
		<category><![CDATA[anti-missile defense]]></category>
		<category><![CDATA[ballistic missiles]]></category>
		<category><![CDATA[missile defense]]></category>
		<category><![CDATA[national missile defense]]></category>
		<category><![CDATA[star wars]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=798</guid>
		<description><![CDATA[Missile defense: Protective shield, or dangerous myth? New tests do little to solve the problem.]]></description>
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		<title>Genetically Modified Food</title>
		<link>http://whyfiles.org/1998/genetically-modified-food/</link>
		<comments>http://whyfiles.org/1998/genetically-modified-food/#comments</comments>
		<pubDate>Thu, 23 Apr 1998 18:17:46 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Earth & Space]]></category>
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		<category><![CDATA[Food]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Natural resources]]></category>
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		<category><![CDATA[agricultural genetic engineering]]></category>
		<category><![CDATA[Bacillus thuringiensis]]></category>
		<category><![CDATA[corn]]></category>
		<category><![CDATA[cotton]]></category>
		<category><![CDATA[crops]]></category>
		<category><![CDATA[soybeans]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=622</guid>
		<description><![CDATA[Agricultural genetic engineering could change the equation between weeds, insects, toxic agricultural chemicals and yields. Is GM food a good idea?]]></description>
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		<title>Biological Weapons</title>
		<link>http://whyfiles.org/1998/biological-weapons/</link>
		<comments>http://whyfiles.org/1998/biological-weapons/#comments</comments>
		<pubDate>Thu, 12 Mar 1998 16:37:20 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Life & death]]></category>
		<category><![CDATA[Microworld]]></category>
		<category><![CDATA[Natural and human-induced hazards]]></category>
		<category><![CDATA[Risks and Benefits]]></category>
		<category><![CDATA[Science and Technology]]></category>
		<category><![CDATA[Science and technology in local, national, and global c]]></category>
		<category><![CDATA[Science and technology in society]]></category>
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		<guid isPermaLink="false">http://whyfiles.org/?p=612</guid>
		<description><![CDATA[Biological weapons are microscopic killing machines containing viruses, fungi or bacteria -- or the toxins made by these organisms. Read the history -- and future -- of living WMDs.]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Food Irradiation: Is it Safe?</title>
		<link>http://whyfiles.org/1997/food-irradiated/</link>
		<comments>http://whyfiles.org/1997/food-irradiated/#comments</comments>
		<pubDate>Wed, 24 Dec 1997 14:14:36 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Animals]]></category>
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		<category><![CDATA[Food]]></category>
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		<category><![CDATA[Personal health]]></category>
		<category><![CDATA[Risks and Benefits]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=676</guid>
		<description><![CDATA[Food-borne diseases sicken 76 million Americans each year. Would it be safer to pass our food through the irradiator?]]></description>
		<wfw:commentRss>http://whyfiles.org/1997/food-irradiated/feed/</wfw:commentRss>
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		<item>
		<title>Gulf War Syndrome?</title>
		<link>http://whyfiles.org/1996/gulf-war-syndrome/</link>
		<comments>http://whyfiles.org/1996/gulf-war-syndrome/#comments</comments>
		<pubDate>Sat, 10 Aug 1996 18:46:59 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Disease and Treatment]]></category>
		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[Health]]></category>
		<category><![CDATA[Natural and human-induced hazards]]></category>
		<category><![CDATA[Other]]></category>
		<category><![CDATA[Personal and community health]]></category>
		<category><![CDATA[Personal health]]></category>
		<category><![CDATA[Risks and Benefits]]></category>
		<category><![CDATA[Science and technology in local, national, and global c]]></category>
		<category><![CDATA[Science and technology in society]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[War & peace]]></category>
		<category><![CDATA[agent orange]]></category>
		<category><![CDATA[chemical weapons]]></category>
		<category><![CDATA[dioxin]]></category>
		<category><![CDATA[gulf war syndrome]]></category>
		<category><![CDATA[history]]></category>
		<category><![CDATA[linear vs. threshold effects]]></category>
		<category><![CDATA[multiple chemical sensitivity]]></category>
		<category><![CDATA[TCDD]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=683</guid>
		<description><![CDATA[History of chemical weapons and Gulf War Syndrome. What could explain the widespread symptoms among veterans? ]]></description>
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