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	<title>The Why Files &#187; Biology</title>
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	<link>http://whyfiles.org</link>
	<description>The Science Behind The News</description>
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		<title>Death of the mastadon</title>
		<link>http://whyfiles.org/2009/death-of-the-mastadon/</link>
		<comments>http://whyfiles.org/2009/death-of-the-mastadon/#comments</comments>
		<pubDate>Fri, 20 Nov 2009 02:32:53 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Abilities necessary to do scientific inquiry]]></category>
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		<category><![CDATA[Paleontology & archeology]]></category>
		<category><![CDATA[Science as Inquiry]]></category>
		<category><![CDATA[This Week]]></category>
		<category><![CDATA[Understanding about scientific inquiry]]></category>
		<category><![CDATA[climate change]]></category>
		<category><![CDATA[ecological change]]></category>
		<category><![CDATA[extinction]]></category>
		<category><![CDATA[fungal spores]]></category>
		<category><![CDATA[giant sloth]]></category>
		<category><![CDATA[Gill]]></category>
		<category><![CDATA[hunting]]></category>
		<category><![CDATA[ice age]]></category>
		<category><![CDATA[mammals]]></category>
		<category><![CDATA[mammoth]]></category>
		<category><![CDATA[mastodon]]></category>
		<category><![CDATA[North America]]></category>
		<category><![CDATA[overkill hypothesis]]></category>
		<category><![CDATA[pollen]]></category>
		<category><![CDATA[University Of Wisconsin Madison]]></category>
		<category><![CDATA[wildfire]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=3705</guid>
		<description><![CDATA[It's one of the biggest puzzles of paleontology: Why did North America's large mammals go extinct shortly after the glaciers melted about 15k years ago? New study suggests that hunters get the credit -- or blame.]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Animal arms race</title>
		<link>http://whyfiles.org/2009/animal-arms-race/</link>
		<comments>http://whyfiles.org/2009/animal-arms-race/#comments</comments>
		<pubDate>Thu, 16 Jul 2009 20:44:36 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Aaron Corcora]]></category>
		<category><![CDATA[bat]]></category>
		<category><![CDATA[evolution]]></category>
		<category><![CDATA[insects]]></category>
		<category><![CDATA[jam sonar]]></category>
		<category><![CDATA[predator]]></category>
		<category><![CDATA[prey]]></category>
		<category><![CDATA[sonar]]></category>
		<category><![CDATA[tiger moth]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2684</guid>
		<description><![CDATA[The struggle between predator and prey never ends. Bats invented sonar, and now some moths are fighting back. Check out the Why Files acoustic-organic warfare, airborne edition.]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/animal-arms-race/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Senators, governors and other mammals&#8230;</title>
		<link>http://whyfiles.org/2009/senators-governors-and-other-mammals/</link>
		<comments>http://whyfiles.org/2009/senators-governors-and-other-mammals/#comments</comments>
		<pubDate>Thu, 09 Jul 2009 22:19:39 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Darwinian psychology]]></category>
		<category><![CDATA[evolutionary psychology]]></category>
		<category><![CDATA[Mark Sanford]]></category>
		<category><![CDATA[monogamy]]></category>
		<category><![CDATA[politician]]></category>
		<category><![CDATA[sexual attraction]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2668</guid>
		<description><![CDATA[Can our evolutionary roots explain that self-destructive search for sex - and sexual companionship? Could Darwinian psychology constitute the cause home-wrecking, career-blitzing fatal attractions?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/senators-governors-and-other-mammals/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>How a fly detects a poison</title>
		<link>http://whyfiles.org/2009/how-a-fly-detects-a-poison/</link>
		<comments>http://whyfiles.org/2009/how-a-fly-detects-a-poison/#comments</comments>
		<pubDate>Thu, 02 Jul 2009 21:44:34 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Food]]></category>
		<category><![CDATA[fruit fly]]></category>
		<category><![CDATA[glutamate]]></category>
		<category><![CDATA[taste]]></category>
		<category><![CDATA[taste receptor]]></category>
		<category><![CDATA[toxic chemicals]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2654</guid>
		<description><![CDATA[Animals spend a lot of energy avoiding toxic chemicals in their food. A new type of gene that does this in fruit flies reinforces the importance of reproduction in shaping evolution.]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/how-a-fly-detects-a-poison/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>History of fishing</title>
		<link>http://whyfiles.org/2009/history-of-fishing/</link>
		<comments>http://whyfiles.org/2009/history-of-fishing/#comments</comments>
		<pubDate>Thu, 28 May 2009 21:56:47 +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[Natural and human-induced hazards]]></category>
		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[Populations and ecosystems]]></category>
		<category><![CDATA[Science and technology in local, national, and global c]]></category>
		<category><![CDATA[Science history & process]]></category>
		<category><![CDATA[Understandings about science and technology]]></category>
		<category><![CDATA[biological oceanography]]></category>
		<category><![CDATA[birds]]></category>
		<category><![CDATA[census marine life]]></category>
		<category><![CDATA[fish]]></category>
		<category><![CDATA[fishery regulation]]></category>
		<category><![CDATA[history of marine animal populations]]></category>
		<category><![CDATA[mammals]]></category>
		<category><![CDATA[marine biology]]></category>
		<category><![CDATA[ocean history]]></category>
		<category><![CDATA[ocean past conference]]></category>
		<category><![CDATA[turtle]]></category>
		<category><![CDATA[whale]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1953</guid>
		<description><![CDATA[A new study finds a surprising number of fish, birds and mammals in the oceans 100 and 1,000 years ago. Can this information help regulators slow the decline of important marine animals?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/history-of-fishing/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<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[Earth & Space]]></category>
		<category><![CDATA[Earth Science]]></category>
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		<category><![CDATA[Earth in the solar system]]></category>
		<category><![CDATA[Grades 5-8]]></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>
		<wfw:commentRss>http://whyfiles.org/2009/crashing-asteroids/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Microbial bliss</title>
		<link>http://whyfiles.org/2009/microbial-bliss/</link>
		<comments>http://whyfiles.org/2009/microbial-bliss/#comments</comments>
		<pubDate>Thu, 30 Apr 2009 21:02:28 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Health]]></category>
		<category><![CDATA[Interdependence of organisms]]></category>
		<category><![CDATA[Life Science]]></category>
		<category><![CDATA[Personal health]]></category>
		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
		<category><![CDATA[antibiotic-associated diarrhea]]></category>
		<category><![CDATA[beneficial bacteria]]></category>
		<category><![CDATA[C. difficile]]></category>
		<category><![CDATA[intestinal bacteria]]></category>
		<category><![CDATA[lactobacillus]]></category>
		<category><![CDATA[microbiota]]></category>
		<category><![CDATA[microflora]]></category>
		<category><![CDATA[pouchitis]]></category>
		<category><![CDATA[probiotic food]]></category>
		<category><![CDATA[probiotic supplements]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1906</guid>
		<description><![CDATA[Scientists are proving that intestinal bacteria can help health -- but for what conditions? Should you take probiotic supplements or eat foods with beneficial bugs? What does the science say -- and not say?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/microbial-bliss/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Body odor</title>
		<link>http://whyfiles.org/2009/body-odor/</link>
		<comments>http://whyfiles.org/2009/body-odor/#comments</comments>
		<pubDate>Thu, 09 Apr 2009 20:54:19 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[body odor]]></category>
		<category><![CDATA[evolutionary biology]]></category>
		<category><![CDATA[female]]></category>
		<category><![CDATA[human mating]]></category>
		<category><![CDATA[male]]></category>
		<category><![CDATA[mate choice]]></category>
		<category><![CDATA[olfactory sense]]></category>
		<category><![CDATA[scent]]></category>
		<category><![CDATA[smell]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1871</guid>
		<description><![CDATA[Study finds that male body odor is harder to mask, but the male nose is more easily confused. Info lends insight into human mating, and helps perfume makers.  So what’s in your deodorant?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/body-odor/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Counting birds</title>
		<link>http://whyfiles.org/2009/counting-birds/</link>
		<comments>http://whyfiles.org/2009/counting-birds/#comments</comments>
		<pubDate>Thu, 02 Apr 2009 21:27:56 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Abilities necessary to do scientific inquiry]]></category>
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		<category><![CDATA[amateur]]></category>
		<category><![CDATA[bird ecology]]></category>
		<category><![CDATA[bird population]]></category>
		<category><![CDATA[breeding bird survey]]></category>
		<category><![CDATA[christmas bird count]]></category>
		<category><![CDATA[citizen scientist]]></category>
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		<category><![CDATA[ornithology]]></category>
		<category><![CDATA[state of the birds]]></category>
		<category><![CDATA[united states birds]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1860</guid>
		<description><![CDATA[The feds put out a massive report on American birds, and the #1 source of data is – amateurs! What is the role of amateurs in ornithology? Hint: if you want to survey 800 species on 3.5 million square miles…]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/counting-birds/feed/</wfw:commentRss>
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		</item>
		<item>
		<title>After the chimp attack</title>
		<link>http://whyfiles.org/2009/after-the-chimp-attack/</link>
		<comments>http://whyfiles.org/2009/after-the-chimp-attack/#comments</comments>
		<pubDate>Fri, 06 Mar 2009 03:29:14 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[chimp conservation]]></category>
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		<category><![CDATA[pet primate]]></category>
		<category><![CDATA[psychological aspects]]></category>
		<category><![CDATA[Travis]]></category>
		<category><![CDATA[zoonotic disease]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1577</guid>
		<description><![CDATA[We explore the sad saga of pet primates. Are these pets psychologically good for us? For them?  Are humans and other primates trading diseases at home, and in the wild?]]></description>
		<wfw:commentRss>http://whyfiles.org/2009/after-the-chimp-attack/feed/</wfw:commentRss>
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