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	<title>The Why Files &#187; Bio brainstorms</title>
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	<link>http://whyfiles.org</link>
	<description>The Science Behind The News</description>
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		<title>Holy horseradish! Ancient roots of pain</title>
		<link>http://whyfiles.org/2010/holy-horseradish-ancient-roots-of-pain/</link>
		<comments>http://whyfiles.org/2010/holy-horseradish-ancient-roots-of-pain/#comments</comments>
		<pubDate>Thu, 18 Mar 2010 12:51:25 +0000</pubDate>
		<dc:creator>svmedaristwf</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Bio brainstorms]]></category>
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		<category><![CDATA[Structure and function in living systems]]></category>
		<category><![CDATA[This Week]]></category>
		<category><![CDATA[Wacky science]]></category>
		<category><![CDATA[caffeine]]></category>
		<category><![CDATA[chemical receptor]]></category>
		<category><![CDATA[evolution]]></category>
		<category><![CDATA[fruitfly]]></category>
		<category><![CDATA[genetics]]></category>
		<category><![CDATA[invertebrate]]></category>
		<category><![CDATA[pain]]></category>
		<category><![CDATA[taste sensation]]></category>
		<category><![CDATA[toxic chemicals]]></category>
		<category><![CDATA[TRPA1]]></category>
		<category><![CDATA[vertebrate]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=5745</guid>
		<description><![CDATA[Horseradish, onions and caffeine all activate a group of chemical receptors that can trigger a pain signal. Turns out the same receptors exist in fruitflies, mussels, corals and mule deer. Why has this receptor survived a half-billion years? Because it protects against toxic chemicals - even if they taste good in small doses!]]></description>
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		</item>
		<item>
		<title>Tracking traveling toads</title>
		<link>http://whyfiles.org/2010/tracking-traveling-toads/</link>
		<comments>http://whyfiles.org/2010/tracking-traveling-toads/#comments</comments>
		<pubDate>Thu, 04 Feb 2010 21:42:54 +0000</pubDate>
		<dc:creator>svmedaristwf</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Bio brainstorms]]></category>
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		<category><![CDATA[Plants & animals]]></category>
		<category><![CDATA[Reproduction and heredity]]></category>
		<category><![CDATA[Science as Inquiry]]></category>
		<category><![CDATA[Understanding about scientific inquiry]]></category>
		<category><![CDATA[adaptive radiation]]></category>
		<category><![CDATA[Australia]]></category>
		<category><![CDATA[bufo]]></category>
		<category><![CDATA[bufonidae]]></category>
		<category><![CDATA[cane toad]]></category>
		<category><![CDATA[colonization]]></category>
		<category><![CDATA[speciation]]></category>
		<category><![CDATA[toad]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=4351</guid>
		<description><![CDATA[Do new species arise because so many niches are available in a new habitat? Or do they arise because newcomers have multiple talents for survival? A new study points to traits that enable success in the new location.]]></description>
		<wfw:commentRss>http://whyfiles.org/2010/tracking-traveling-toads/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Imitation: Better than flattery?</title>
		<link>http://whyfiles.org/2009/imitation-better-than-flattery/</link>
		<comments>http://whyfiles.org/2009/imitation-better-than-flattery/#comments</comments>
		<pubDate>Thu, 13 Aug 2009 20:11:48 +0000</pubDate>
		<dc:creator>admin</dc:creator>
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		<category><![CDATA[Interdependence of organisms]]></category>
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		<category><![CDATA[Regulation and behavior]]></category>
		<category><![CDATA[Social Science]]></category>
		<category><![CDATA[affiliation]]></category>
		<category><![CDATA[Annika Paukner]]></category>
		<category><![CDATA[capuchin monkey]]></category>
		<category><![CDATA[Emotions]]></category>
		<category><![CDATA[imitation]]></category>
		<category><![CDATA[social glue]]></category>
		<category><![CDATA[social psychology]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=2717</guid>
		<description><![CDATA[Imitation is a social glue in human society. We like people who imitate us.  We call them friend. We will even tip them better! A new study finds similar responses in monkeys...]]></description>
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		<slash:comments>0</slash:comments>
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		<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>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Behavior of organisms]]></category>
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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>
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		<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>
				<category><![CDATA[All]]></category>
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		<category><![CDATA[Science in Personal and Social Perspectives]]></category>
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		<category><![CDATA[affair]]></category>
		<category><![CDATA[animal relationship]]></category>
		<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>
		</item>
		<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>
				<category><![CDATA[All]]></category>
		<category><![CDATA[Bio brainstorms]]></category>
		<category><![CDATA[Biological Evolution]]></category>
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		<category><![CDATA[Regulation and behavior]]></category>
		<category><![CDATA[evolution]]></category>
		<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>
		</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 in the solar system]]></category>
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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>
		<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[Interdependence of organisms]]></category>
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		<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>
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		<item>
		<title>Fish prove: The eyes have it!</title>
		<link>http://whyfiles.org/2008/fish-prove-the-eyes-have-it/</link>
		<comments>http://whyfiles.org/2008/fish-prove-the-eyes-have-it/#comments</comments>
		<pubDate>Thu, 02 Oct 2008 20:50:33 +0000</pubDate>
		<dc:creator>schulte</dc:creator>
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		<category><![CDATA[adaptive radiation]]></category>
		<category><![CDATA[cichlid evolution]]></category>
		<category><![CDATA[cichlid fish]]></category>
		<category><![CDATA[evolutionary biology]]></category>
		<category><![CDATA[fin color]]></category>
		<category><![CDATA[fish genetics]]></category>
		<category><![CDATA[fish vision]]></category>
		<category><![CDATA[geographic barriers]]></category>
		<category><![CDATA[Lake Victoria]]></category>
		<category><![CDATA[sensory hypothesis of speciation]]></category>
		<category><![CDATA[water quality]]></category>

		<guid isPermaLink="false">http://whyfiles.org/?p=1066</guid>
		<description><![CDATA[The color, vision and genetics of an African fish all vary depending on the clarity of its home waters.  A new study suggests how species can form without geographic barriers.]]></description>
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