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	<title>The Why Files &#187; Abilities of technological design</title>
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	<description>The Science Behind The News</description>
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		<title>Fertilizing the ocean</title>
		<link>http://whyfiles.org/2009/fertilizing-the-ocean/</link>
		<comments>http://whyfiles.org/2009/fertilizing-the-ocean/#comments</comments>
		<pubDate>Thu, 06 Aug 2009 23:57:17 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Abilities of technological design]]></category>
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		<category><![CDATA[algae]]></category>
		<category><![CDATA[carbon dioxide]]></category>
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		<category><![CDATA[iron fertilization]]></category>
		<category><![CDATA[iron seeding]]></category>
		<category><![CDATA[john martin]]></category>
		<category><![CDATA[martin hypothesis]]></category>
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		<category><![CDATA[southern ocean]]></category>
		<category><![CDATA[thermocline]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2702</guid>
		<description><![CDATA[As Earth warms, we may need huge geoengineering projects to fight climate change. Would adding iron to fertilize ocean plants withdraw enough carbon dioxide to slow warming? Could the plan backfire?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/fertilizing-the-ocean/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Happy Thanksgiving! We celebrate eating &#8212; and food.</title>
		<link>http://whyfiles.org/2008/happy-thanksgiving-we-celebrate-eating-and-food/</link>
		<comments>http://whyfiles.org/2008/happy-thanksgiving-we-celebrate-eating-and-food/#comments</comments>
		<pubDate>Thu, 20 Nov 2008 21:53:30 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[bitter taste]]></category>
		<category><![CDATA[blocking bitter]]></category>
		<category><![CDATA[circadian rhythm]]></category>
		<category><![CDATA[eating]]></category>
		<category><![CDATA[food clock]]></category>
		<category><![CDATA[food science]]></category>
		<category><![CDATA[fruit fly smell]]></category>
		<category><![CDATA[monosodium glutamate]]></category>
		<category><![CDATA[MSG]]></category>
		<category><![CDATA[survival and odor]]></category>
		<category><![CDATA[Thanksgiving]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1073</guid>
		<description><![CDATA[Happy Thanksgiving! We celebrate eating -- and food. Hungry: Is that your "food clock" ringing? Why does a fruitfly need to smell? How does bitter taste to you? And could eating MSG make you fat?]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/happy-thanksgiving-we-celebrate-eating-and-food/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<title>Hungry? History has lessons for improving farm productivity.</title>
		<link>http://whyfiles.org/2008/hungry-history-has-lessons-for-improving-farm-productivity/</link>
		<comments>http://whyfiles.org/2008/hungry-history-has-lessons-for-improving-farm-productivity/#comments</comments>
		<pubDate>Thu, 24 Apr 2008 23:16:49 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Personal health]]></category>
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		<category><![CDATA[Science and technology in local, national, and global c]]></category>
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		<category><![CDATA[biodiesel]]></category>
		<category><![CDATA[biofuels]]></category>
		<category><![CDATA[corn]]></category>
		<category><![CDATA[ethanol]]></category>
		<category><![CDATA[food riots]]></category>
		<category><![CDATA[green revolution]]></category>
		<category><![CDATA[learning from the green revolution]]></category>
		<category><![CDATA[palm oil]]></category>
		<category><![CDATA[plant breeding]]></category>
		<category><![CDATA[productivity]]></category>
		<category><![CDATA[second green revolution]]></category>
		<category><![CDATA[soaring food prices]]></category>
		<category><![CDATA[soil]]></category>
		<category><![CDATA[soybean]]></category>
		<category><![CDATA[yield]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1046</guid>
		<description><![CDATA[After World War II, the “green revolution” sparked an explosion in farm output in developing countries. With soaring food prices and  spreading food riots, what can we learn from the green revolution?]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/hungry-history-has-lessons-for-improving-farm-productivity/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Pilot perfection: Errors plunge!</title>
		<link>http://whyfiles.org/2008/pilot-perfection-errors-plunge/</link>
		<comments>http://whyfiles.org/2008/pilot-perfection-errors-plunge/#comments</comments>
		<pubDate>Thu, 03 Jan 2008 20:13:18 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Science and technology in local, national, and global c]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[airline accidents]]></category>
		<category><![CDATA[airline crash]]></category>
		<category><![CDATA[airline safety]]></category>
		<category><![CDATA[death rates]]></category>
		<category><![CDATA[fatality rates]]></category>
		<category><![CDATA[on-ground accidents]]></category>
		<category><![CDATA[pilot error]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1031</guid>
		<description><![CDATA[Pilot errors have dropped 40 percent over 20 years, but on-the-ground accidents have increased. Why have pilot errors declined? What work remains to increase airline safety?]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/pilot-perfection-errors-plunge/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>California burnin&#8217;: Are we building in harm&#8217;s way?</title>
		<link>http://whyfiles.org/2007/california-burnin-are-we-building-in-harms-way/</link>
		<comments>http://whyfiles.org/2007/california-burnin-are-we-building-in-harms-way/#comments</comments>
		<pubDate>Thu, 01 Nov 2007 21:52:09 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[chaparral]]></category>
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		<category><![CDATA[land-use decisions]]></category>
		<category><![CDATA[role of global warming]]></category>
		<category><![CDATA[southern California]]></category>
		<category><![CDATA[wildfires]]></category>
		<category><![CDATA[wildland-urban interface]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1023</guid>
		<description><![CDATA[California's fires are a tragedy, but are human actions making them worse? What is the role of global warming and zoning? Can we build safer houses in safer locations?]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/california-burnin-are-we-building-in-harms-way/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Tree frog&#8217;s foot yields re-stickable glue!</title>
		<link>http://whyfiles.org/2007/tree-frogs-foot-yields-re-stickable-glue/</link>
		<comments>http://whyfiles.org/2007/tree-frogs-foot-yields-re-stickable-glue/#comments</comments>
		<pubDate>Thu, 11 Oct 2007 19:14:21 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[foot pad]]></category>
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		<category><![CDATA[insect]]></category>
		<category><![CDATA[Kanpur India]]></category>
		<category><![CDATA[micro-adhesion]]></category>
		<category><![CDATA[new adhesive]]></category>
		<category><![CDATA[removable adhesive]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1020</guid>
		<description><![CDATA[Most adhesives can't be reused. But a radical new design, based on the foot of frogs, lizards and insects, shows how engineers can learn from nature to make smarter materials.]]></description>
		<wfw:commentRss>http://whyfiles.org/2007/tree-frogs-foot-yields-re-stickable-glue/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Katrina + 1: Where Should We Rebuild?</title>
		<link>http://whyfiles.org/2006/katrina-1-where-should-we-rebuild/</link>
		<comments>http://whyfiles.org/2006/katrina-1-where-should-we-rebuild/#comments</comments>
		<pubDate>Thu, 24 Aug 2006 22:14:08 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Human Behavior]]></category>
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		<category><![CDATA[building in harm's way]]></category>
		<category><![CDATA[floodplain development]]></category>
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		<category><![CDATA[hurricanes]]></category>
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		<category><![CDATA[zoning]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=912</guid>
		<description><![CDATA[It's a fact of life: Hurricanes and floods happen. So why are people rebuilding in the path of storms and floods? Is there a smarter way to plan development?]]></description>
		<wfw:commentRss>http://whyfiles.org/2006/katrina-1-where-should-we-rebuild/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Simple fix boosts truck mileage.</title>
		<link>http://whyfiles.org/2005/simple-fix-boosts-truck-mileage/</link>
		<comments>http://whyfiles.org/2005/simple-fix-boosts-truck-mileage/#comments</comments>
		<pubDate>Thu, 10 Nov 2005 21:07:44 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[aerodynamics]]></category>
		<category><![CDATA[drag]]></category>
		<category><![CDATA[fuel economy]]></category>
		<category><![CDATA[plates]]></category>
		<category><![CDATA[rear]]></category>
		<category><![CDATA[save diesel fuel]]></category>
		<category><![CDATA[semi-trailer]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=854</guid>
		<description><![CDATA[Trucks create a lot of turbulence at the rear. Can a simple set of plates reduce this turbulence and save 10 percent on an 18-wheeler's fuel bill?]]></description>
		<wfw:commentRss>http://whyfiles.org/2005/simple-fix-boosts-truck-mileage/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Time to Reconsider the Leap Second</title>
		<link>http://whyfiles.org/2005/time-to-consider-the-leap-second/</link>
		<comments>http://whyfiles.org/2005/time-to-consider-the-leap-second/#comments</comments>
		<pubDate>Thu, 29 Sep 2005 18:46:54 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<guid isPermaLink="false">http://whyfiles.org/?p=847</guid>
		<description><![CDATA[The solar clock doesn't quite line up with the atomic clock. We use leap seconds to make them match. Should we dump the leap second?]]></description>
		<wfw:commentRss>http://whyfiles.org/2005/time-to-consider-the-leap-second/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<title>Homestake Goldmine: Science Lab?</title>
		<link>http://whyfiles.org/2003/the-homestake-goldmine/</link>
		<comments>http://whyfiles.org/2003/the-homestake-goldmine/#comments</comments>
		<pubDate>Thu, 10 Jul 2003 19:12:51 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<guid isPermaLink="false">http://whyfiles.org/?p=811</guid>
		<description><![CDATA[An international team of scientists selected the Homestake goldmine to be the world's deepest underground lab, but the project may sink.]]></description>
		<wfw:commentRss>http://whyfiles.org/2003/the-homestake-goldmine/feed/</wfw:commentRss>
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