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	<title>The Why Files &#187; Nature of scientific knowledge</title>
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	<description>The Science Behind The News</description>
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		<title>Internet: The fastest teacher?</title>
		<link>http://whyfiles.org/2009/internet-the-fastest-teacher/</link>
		<comments>http://whyfiles.org/2009/internet-the-fastest-teacher/#comments</comments>
		<pubDate>Wed, 21 Oct 2009 17:51:48 +0000</pubDate>
		<dc:creator>svmedaris</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Brains & computers]]></category>
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		<category><![CDATA[Grades 5-8]]></category>
		<category><![CDATA[Grades 9-12]]></category>
		<category><![CDATA[History and Nature of Science]]></category>
		<category><![CDATA[Nature of scientific knowledge]]></category>
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		<category><![CDATA[Science as Inquiry]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[Technology]]></category>
		<category><![CDATA[Understanding about scientific inquiry]]></category>
		<category><![CDATA[Wacky science]]></category>
		<category><![CDATA[aging brain]]></category>
		<category><![CDATA[brain plasticity]]></category>
		<category><![CDATA[changing the brain]]></category>
		<category><![CDATA[effect of Internet use]]></category>
		<category><![CDATA[fMRI]]></category>
		<category><![CDATA[functional magnetic resonance imaging]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=3375</guid>
		<description><![CDATA[MRI scans of older people show major differences between searchers and non-searchers. After seven hours of Internet experience, those differences disappear. Honest? Could changing the brain be this easy?]]></description>
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		<item>
		<title>Universe: Measured by New Yardstick</title>
		<link>http://whyfiles.org/2006/new-yardstick-for-the-universe/</link>
		<comments>http://whyfiles.org/2006/new-yardstick-for-the-universe/#comments</comments>
		<pubDate>Thu, 10 Aug 2006 17:00:35 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Nature of science]]></category>
		<category><![CDATA[Nature of scientific knowledge]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Space & astronomy]]></category>
		<category><![CDATA[age of universe]]></category>
		<category><![CDATA[Hubble constant]]></category>
		<category><![CDATA[Keck Telescope]]></category>
		<category><![CDATA[M33]]></category>
		<category><![CDATA[size of universe]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=909</guid>
		<description><![CDATA[Feeling cramped? New measurement says the universe is bigger than you thought. Meet the astronomers' new yardstick.]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Cloning Fraud: How&#8217;d it Happen?</title>
		<link>http://whyfiles.org/2006/cloning-fraud-howd-it-happen/</link>
		<comments>http://whyfiles.org/2006/cloning-fraud-howd-it-happen/#comments</comments>
		<pubDate>Fri, 13 Jan 2006 05:20:57 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Science history & process]]></category>
		<category><![CDATA[embryo]]></category>
		<category><![CDATA[embryonic stem cells]]></category>
		<category><![CDATA[fraud]]></category>
		<category><![CDATA[regenerative medicine]]></category>
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		<category><![CDATA[science magazine]]></category>
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		<category><![CDATA[stem cell]]></category>
		<category><![CDATA[Woo Suk Hwang]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=869</guid>
		<description><![CDATA[Korean scientist pulled off the biggest scientific fraud in memory. How did he do it? How is science supposed to prevent fraud? Why did it matter, and who loses out?]]></description>
		<wfw:commentRss>http://whyfiles.org/2006/cloning-fraud-howd-it-happen/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<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>
				<category><![CDATA[Abilities of technological design]]></category>
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		<category><![CDATA[History and Nature of Science]]></category>
		<category><![CDATA[Nature of scientific knowledge]]></category>
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		<category><![CDATA[Science and Technology]]></category>
		<category><![CDATA[Wacky science]]></category>
		<category><![CDATA[astronomer]]></category>
		<category><![CDATA[astronomy]]></category>
		<category><![CDATA[atomic clock]]></category>
		<category><![CDATA[calendar]]></category>
		<category><![CDATA[computer communications]]></category>
		<category><![CDATA[GPS]]></category>
		<category><![CDATA[leap second]]></category>
		<category><![CDATA[solar time]]></category>
		<category><![CDATA[timekeeper]]></category>
		<category><![CDATA[universal time]]></category>
		<category><![CDATA[UTC]]></category>

		<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>
		</item>
		<item>
		<title>Forensic Anthropology</title>
		<link>http://whyfiles.org/2003/forensic-anthropology/</link>
		<comments>http://whyfiles.org/2003/forensic-anthropology/#comments</comments>
		<pubDate>Tue, 16 Dec 2003 20:21:02 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Life & death]]></category>
		<category><![CDATA[Nature of scientific knowledge]]></category>
		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Science as a human endeavor]]></category>
		<category><![CDATA[Social Science]]></category>
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		<category><![CDATA[anthropology]]></category>
		<category><![CDATA[archaeology]]></category>
		<category><![CDATA[beetles]]></category>
		<category><![CDATA[blood]]></category>
		<category><![CDATA[bones]]></category>
		<category><![CDATA[burial]]></category>
		<category><![CDATA[DNA]]></category>
		<category><![CDATA[flies]]></category>
		<category><![CDATA[forensics]]></category>
		<category><![CDATA[genetics]]></category>
		<category><![CDATA[grave]]></category>
		<category><![CDATA[mass grave]]></category>
		<category><![CDATA[murder]]></category>
		<category><![CDATA[skeleton]]></category>
		<category><![CDATA[skull]]></category>
		<category><![CDATA[the body farm]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=532</guid>
		<description><![CDATA[This Why File surveys the latest in forensic anthropology, with a visit to the Forensic Anthropology Center at the University of Tennessee, AKA The Body Farm.]]></description>
		<wfw:commentRss>http://whyfiles.org/2003/forensic-anthropology/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Letter from Archimedes: Math-Man Speaks!</title>
		<link>http://whyfiles.org/2000/a-letter-from-archimedes/</link>
		<comments>http://whyfiles.org/2000/a-letter-from-archimedes/#comments</comments>
		<pubDate>Mon, 24 Jul 2000 19:18:32 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[History of science]]></category>
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		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Science as a human endeavor]]></category>
		<category><![CDATA[Science history & process]]></category>
		<category><![CDATA[laboratory equipment]]></category>
		<category><![CDATA[microscopic valves and pumps]]></category>
		<category><![CDATA[nanotechnology]]></category>
		<category><![CDATA[peristaltic pump]]></category>
		<category><![CDATA[polymers]]></category>
		<category><![CDATA[Stephen Quake]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=821</guid>
		<description><![CDATA[Ancient mathematician's writing found, restored, after 22 centuries!]]></description>
		<wfw:commentRss>http://whyfiles.org/2000/a-letter-from-archimedes/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>MAD Science! Have a Laugh on Us&#8230;</title>
		<link>http://whyfiles.org/2000/mad-science/</link>
		<comments>http://whyfiles.org/2000/mad-science/#comments</comments>
		<pubDate>Thu, 30 Mar 2000 18:57:06 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[radioactive waste]]></category>
		<category><![CDATA[science humor]]></category>
		<category><![CDATA[science jargon]]></category>
		<category><![CDATA[science parody]]></category>
		<category><![CDATA[science projects]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=761</guid>
		<description><![CDATA[A MAD look at science. Science fair projects we'd like to see, weird wonk words, and creative uses for radioactive waste.]]></description>
		<wfw:commentRss>http://whyfiles.org/2000/mad-science/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Einstein Triumphs</title>
		<link>http://whyfiles.org/1997/einstein/</link>
		<comments>http://whyfiles.org/1997/einstein/#comments</comments>
		<pubDate>Sat, 27 Dec 1997 19:25:55 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Motions and forces]]></category>
		<category><![CDATA[Nature of science]]></category>
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		<category><![CDATA[Physical Science]]></category>
		<category><![CDATA[Science as a human endeavor]]></category>
		<category><![CDATA[Science history & process]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=722</guid>
		<description><![CDATA[After 100 years, scientists are still proving the old man right. Why was he able to do what others could not? The origins of scientific genius, explored by the average minds at The Why Files...]]></description>
		<wfw:commentRss>http://whyfiles.org/1997/einstein/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Archaeology in the Ocean</title>
		<link>http://whyfiles.org/1997/archaeology-in-the-ocean/</link>
		<comments>http://whyfiles.org/1997/archaeology-in-the-ocean/#comments</comments>
		<pubDate>Thu, 03 Apr 1997 18:29:25 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Paleontology & archeology]]></category>
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		<category><![CDATA[Understandings about science and technology]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=749</guid>
		<description><![CDATA[Archeologists think they've found the wrecked flagship of Blackbeard the scurvy pirate. What else is hiding in Davy Jones' Locker? Dive into the archeology of the deep.]]></description>
		<wfw:commentRss>http://whyfiles.org/1997/archaeology-in-the-ocean/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Amber: The Natural Preservative</title>
		<link>http://whyfiles.org/1996/amber/</link>
		<comments>http://whyfiles.org/1996/amber/#comments</comments>
		<pubDate>Tue, 27 Feb 1996 13:30:39 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[Earth's history]]></category>
		<category><![CDATA[Grades 5-8]]></category>
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		<category><![CDATA[Nature of scientific knowledge]]></category>
		<category><![CDATA[Paleontology & archeology]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[amber]]></category>
		<category><![CDATA[ancient bacteria]]></category>
		<category><![CDATA[ancient insects]]></category>
		<category><![CDATA[archeology]]></category>
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		<category><![CDATA[paleontology]]></category>
		<category><![CDATA[Raul Cano]]></category>
		<category><![CDATA[tree resin]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=501</guid>
		<description><![CDATA[How amber is used in archeology and paleontology: Reviving ancient bacteria, viewing ancient insects, what's not to love about amber?]]></description>
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