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	<title>The Why Files &#187; Earth and Space Science</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>
		<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>
		<category><![CDATA[tsunami]]></category>
		<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>
		</item>
		<item>
		<title>No joke: Laughing gas attacks ozone!</title>
		<link>http://whyfiles.org/2009/no-joke-laughing-gas-attacks-ozone/</link>
		<comments>http://whyfiles.org/2009/no-joke-laughing-gas-attacks-ozone/#comments</comments>
		<pubDate>Thu, 03 Sep 2009 20:19:42 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Science and technology in local, national, and global c]]></category>
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		<category><![CDATA[Weather & Climate]]></category>
		<category><![CDATA[Antarctic ozone hole]]></category>
		<category><![CDATA[laughing gas]]></category>
		<category><![CDATA[Montreal Protocol]]></category>
		<category><![CDATA[nitrous oxide]]></category>
		<category><![CDATA[ozone]]></category>
		<category><![CDATA[ozone depleting substances]]></category>
		<category><![CDATA[ozone depletion potential]]></category>
		<category><![CDATA[ozone layer]]></category>
		<category><![CDATA[stratospheric ozone]]></category>
		<category><![CDATA[ultraviolet radiation]]></category>
		<category><![CDATA[UV-B]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2773</guid>
		<description><![CDATA[The ozone layer protects Earth from UV rays: Twenty-two years after a treaty to protect ozone, how is the layer doing? What has happened to the ozone hole above Antarctica?]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>&#8220;No prob&#8221; sez life to crashing asteroids!</title>
		<link>http://whyfiles.org/2009/crashing-asteroids/</link>
		<comments>http://whyfiles.org/2009/crashing-asteroids/#comments</comments>
		<pubDate>Thu, 21 May 2009 19:50:43 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[History and Nature of Science]]></category>
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		<category><![CDATA[Microworld]]></category>
		<category><![CDATA[Origin and evolution of the earth system]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[asteroid impact]]></category>
		<category><![CDATA[early life]]></category>
		<category><![CDATA[geologic bacteria]]></category>
		<category><![CDATA[Hadean eon]]></category>
		<category><![CDATA[high-temperature bacteria]]></category>
		<category><![CDATA[hyperthermophile]]></category>
		<category><![CDATA[late heavy bombardment]]></category>
		<category><![CDATA[origin of life]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1938</guid>
		<description><![CDATA[The "late heavy bombardment" burned out any life that was around 4 billion years ago -- or not... Plenty of high temperature bacteria could have survived in deep rocks, says a new study.]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Year of astronomy: More reasons to love stars!</title>
		<link>http://whyfiles.org/2009/year-of-astronomy-more-reasons-to-love-stars/</link>
		<comments>http://whyfiles.org/2009/year-of-astronomy-more-reasons-to-love-stars/#comments</comments>
		<pubDate>Sun, 25 Jan 2009 20:08:44 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Physical Science]]></category>
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		<category><![CDATA[black hole]]></category>
		<category><![CDATA[early universe]]></category>
		<category><![CDATA[ice volcano]]></category>
		<category><![CDATA[Light pollution]]></category>
		<category><![CDATA[maser]]></category>
		<category><![CDATA[quasar]]></category>
		<category><![CDATA[Saturn]]></category>
		<category><![CDATA[Titan]]></category>
		<category><![CDATA[water]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1160</guid>
		<description><![CDATA[400 years ago, Galileo discovered the moons of Jupiter. We discover water from 11 billion years ago, volcanoes at Titan, a moon of Saturn, and good reasons to shun light pollution.]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/year-of-astronomy-more-reasons-to-love-stars/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Carbon tax or carbon trading? Can economics battle global warming?</title>
		<link>http://whyfiles.org/2008/carbon-tax-or-carbon-trading-can-economics-battle-global-warming/</link>
		<comments>http://whyfiles.org/2008/carbon-tax-or-carbon-trading-can-economics-battle-global-warming/#comments</comments>
		<pubDate>Thu, 04 Dec 2008 18:58:23 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[carbon dioxide cap-and-trade]]></category>
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		<category><![CDATA[economic efficacy]]></category>
		<category><![CDATA[economics]]></category>
		<category><![CDATA[emission trading]]></category>
		<category><![CDATA[Emission Trading Scheme]]></category>
		<category><![CDATA[global warming]]></category>
		<category><![CDATA[market mechanism]]></category>
		<category><![CDATA[reduce carbon pollution]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1076</guid>
		<description><![CDATA[Carbon tax or carbon trading? As the United Nations gets set for (another!) pow-wow on global warming, policy wonks are focusing on two mechanisms to reduce carbon pollution. Which gets more control at a lower price: carbon tax or carbon cap-and-trade?]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/carbon-tax-or-carbon-trading-can-economics-battle-global-warming/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Science Education 101</title>
		<link>http://whyfiles.org/2008/science-education-101/</link>
		<comments>http://whyfiles.org/2008/science-education-101/#comments</comments>
		<pubDate>Fri, 04 Apr 2008 01:25:30 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Science as a human endeavor]]></category>
		<category><![CDATA[Science history & process]]></category>
		<category><![CDATA[Social Science]]></category>
		<category><![CDATA[Understanding about scientific inquiry]]></category>
		<category><![CDATA[public understanding of science]]></category>
		<category><![CDATA[science education]]></category>
		<category><![CDATA[science educators]]></category>
		<category><![CDATA[science teacher]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1043</guid>
		<description><![CDATA[Don't know much about Science Education:  A new survey shows three out of every four US adults do not feel they have a good understanding of science.]]></description>
		<wfw:commentRss>http://whyfiles.org/2008/science-education-101/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<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[Origin and evolution of the earth system]]></category>
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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>
		<category><![CDATA[red]]></category>
		<category><![CDATA[spectroscopic]]></category>
		<category><![CDATA[spectroscopy]]></category>

		<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>
		<wfw:commentRss>http://whyfiles.org/2008/looking-anew-at-diamonds/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Tales from the solar system: Voyagers told &#8216;em best!</title>
		<link>http://whyfiles.org/2007/tales-from-the-solar-system-voyagers-told-em-best/</link>
		<comments>http://whyfiles.org/2007/tales-from-the-solar-system-voyagers-told-em-best/#comments</comments>
		<pubDate>Fri, 07 Sep 2007 01:11:53 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Origin and evolution of the earth system]]></category>
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		<category><![CDATA[Callisto]]></category>
		<category><![CDATA[edge of solar system]]></category>
		<category><![CDATA[Europa]]></category>
		<category><![CDATA[Ganymede]]></category>
		<category><![CDATA[Io]]></category>
		<category><![CDATA[Jupiter]]></category>
		<category><![CDATA[moons]]></category>
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		<category><![CDATA[planetary science]]></category>
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		<category><![CDATA[Titan]]></category>
		<category><![CDATA[Triton]]></category>
		<category><![CDATA[Uranus]]></category>
		<category><![CDATA[Voyager spacecraft]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1014</guid>
		<description><![CDATA[The Long Goodbye: 30 years after blast-off, two Voyager spaceships have reached the edge of the solar system. Meet the missions that revolutionized the study of planets and moons.]]></description>
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		</item>
		<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[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>
		</item>
		<item>
		<title>What we did on our summer vacation: Visit Mars!</title>
		<link>http://whyfiles.org/2007/what-we-did-on-our-summer-vacation-visit-mars/</link>
		<comments>http://whyfiles.org/2007/what-we-did-on-our-summer-vacation-visit-mars/#comments</comments>
		<pubDate>Thu, 26 Jul 2007 22:36:00 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[crater]]></category>
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		<category><![CDATA[mars]]></category>
		<category><![CDATA[polar ice]]></category>
		<category><![CDATA[rover]]></category>
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		<category><![CDATA[search for life]]></category>
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		<guid isPermaLink="false">http://whyfiles.org/?p=1006</guid>
		<description><![CDATA[It's a boom time for studying Mars, and the perfect time for the be-all, end-all summer vacation. Ride a robot rover. Dune-buggy an unearthly dune field. Even meet-and-greet a real live Martian! All aboard for Mars!]]></description>
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