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	<title>Descopera &#187; Stiinta</title>
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		<title>Uneltele</title>
		<link>http://www.descopera.org/uneltele/</link>
		<comments>http://www.descopera.org/uneltele/#comments</comments>
		<pubDate>Wed, 30 Nov 2011 22:37:27 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Paleontologie]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3764</guid>
		<description><![CDATA[Uneltele confectionate din piatra sunt cele mai vechi urme ale activitatii umane. Ar fi greu de imaginat viata fara unelte. Stramosii nostri au confectionat primele unelte acum cel putin 2.5 milioane de ani – cu mult timp inaintea omului modern. De atunci, abilitatea noastra de a inventa ne-a dus dincolo de nevoile primare de hranire [...]]]></description>
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		<title>Perceptia si comportamentul uman</title>
		<link>http://www.descopera.org/perceptia-si-comportamentul-uman/</link>
		<comments>http://www.descopera.org/perceptia-si-comportamentul-uman/#comments</comments>
		<pubDate>Wed, 30 Nov 2011 06:29:09 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Biologie si medicina]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3763</guid>
		<description><![CDATA[Nu doar structurile fizice au evoluat in timp, ci si comportamentul organismelor, inclusiv al nostru. Chiar si perceptia si simturile noastre au jucat un rol important in comportamentul uman.
Perceptia si simturile
Noi nu percepem realitatea intr-un mod direct, ceea ce experimentam este un model al realitatii care este construit in creierul nostru, cu ajutorul simturilor. Organele [...]]]></description>
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		<slash:comments>2</slash:comments>
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		<title>Specia umana &#8211; originea si evolutia omului</title>
		<link>http://www.descopera.org/specia-umana-originea-si-evolutia-omului/</link>
		<comments>http://www.descopera.org/specia-umana-originea-si-evolutia-omului/#comments</comments>
		<pubDate>Mon, 28 Nov 2011 22:22:01 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Paleontologie]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3758</guid>
		<description><![CDATA[Suntem speciali? Pentru cei mai multi, omul a fost “incununarea Creatiei”, iar Charles Darwin a provocat un soc teribil atunci cand a inclus specia umana in regnul animal, ca descendenta a stramosilor primatelor. Astazi, este un consens in randul oamenilor de stiinta, ca omul descinde din antropoide. Oamenii au structuri anatomice asemanatoare cu cele ale [...]]]></description>
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		<slash:comments>4</slash:comments>
		</item>
		<item>
		<title>Cum vedem noi viata?</title>
		<link>http://www.descopera.org/cum-vedem-noi-viata/</link>
		<comments>http://www.descopera.org/cum-vedem-noi-viata/#comments</comments>
		<pubDate>Mon, 28 Nov 2011 06:22:57 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Biologie si medicina]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3751</guid>
		<description><![CDATA[Cel mai potrivit mod de a vedea organismele este sa nu le privim ca “specii diferite”, ci ca insule genetice, unde istoria genetica a tuturor organismelor este sub nivelul apei si nu o putem vedea. Insulele si continentele pot fi observate separat, ca fiind niste bucati de pamant neconectate una de cealalta, dar noi astazi [...]]]></description>
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		<slash:comments>2</slash:comments>
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		<title>Speciile</title>
		<link>http://www.descopera.org/speciile/</link>
		<comments>http://www.descopera.org/speciile/#comments</comments>
		<pubDate>Sat, 26 Nov 2011 23:08:58 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Biologie si medicina]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3747</guid>
		<description><![CDATA[Termenul de “specie” a fost inventat atunci cand se credea ca tipurile de animale sunt statice, ca ele nu pot evolua si nu pot disparea.
In prezent, sunt clasificate aproape 4 milioane de specii de organisme si cu toate acestea, au ramas nedescrise probabil, intre 5 si 20 de milioane de specii. Mamiferele si pasarile sunt [...]]]></description>
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		<slash:comments>2</slash:comments>
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		<title>Argumente pentru evolutionism</title>
		<link>http://www.descopera.org/argumente-pentru-evolutionism/</link>
		<comments>http://www.descopera.org/argumente-pentru-evolutionism/#comments</comments>
		<pubDate>Fri, 25 Nov 2011 23:23:31 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Biologie si medicina]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3741</guid>
		<description><![CDATA[Chiar si cel mai simplu organism, o bacterie de exemplu, are un genom alcatuit din mii pana la milioane de perechi de baze. Observarea atenta a dus la concluzia ca fiecare pereche de baze este supusa unor mutatii intamplatoare. Populatii diferite sufera mutatii diferite, iar daca populatiile sunt izolate unele de altele, acestea devin cu [...]]]></description>
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		<slash:comments>15</slash:comments>
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		<item>
		<title>De la molecule la celule</title>
		<link>http://www.descopera.org/de-la-molecule-la-celule/</link>
		<comments>http://www.descopera.org/de-la-molecule-la-celule/#comments</comments>
		<pubDate>Fri, 25 Nov 2011 07:08:58 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Biologie si medicina]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3738</guid>
		<description><![CDATA[Aparitia primelor celule
Chiar si primele forme de viata (includem aici si organismele primitive precum bacteria) erau destul de complexe. Dar aceasta complexitate nu a aparut din senin in supa primordiala. Viata a trebuit sa faca pasi foarte mici, dar cu fiecare pas viata devenea din ce in ce mai complexa.
Moleculele organice simple reprezinta caramizile vietii [...]]]></description>
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		<slash:comments>1</slash:comments>
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		<title>Gandirea evolutionista si teoria evolutiei</title>
		<link>http://www.descopera.org/gandirea-evolutionista-si-teoria-evolutiei/</link>
		<comments>http://www.descopera.org/gandirea-evolutionista-si-teoria-evolutiei/#comments</comments>
		<pubDate>Thu, 24 Nov 2011 06:40:21 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Paleontologie]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3734</guid>
		<description><![CDATA[Evolutionismul a starnit inca de la inceput numeroase controverse, deoarece contrazicea fiecare idee promovata de creationism si religii. Evolutionismul a reprezentat poate cea mai mare revolutie intelectuala, sfidand credintele si explicand evolutia natural, fara a se folosi de puteri, zei sau forte supranaturale, ci prin fenomenele si procesele pe care oricine le putea observa in [...]]]></description>
		<wfw:commentRss>http://www.descopera.org/gandirea-evolutionista-si-teoria-evolutiei/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
		</item>
		<item>
		<title>Originea vietii</title>
		<link>http://www.descopera.org/originea-vietii/</link>
		<comments>http://www.descopera.org/originea-vietii/#comments</comments>
		<pubDate>Wed, 23 Nov 2011 06:30:04 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Paleontologie]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3729</guid>
		<description><![CDATA[Astronomii au estimat ca Universul a luat nastere acum 15 miliarde de ani. La inceput, avea dimensiunea zero si era infinit de fierbinte. Pe masura ce acesta se extindea, temperatura radiatiei scadea. La doar o secunda dupa Big Bang, temperatura a scazut la circa zece miliarde de grade. El continea in majoritate fotoni, electroni si [...]]]></description>
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		<slash:comments>1</slash:comments>
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		<item>
		<title>De la eucariote la omul bionic &#8211; seria nr.1</title>
		<link>http://www.descopera.org/de-la-eucariote-la-omul-bionic-seria-nr-1/</link>
		<comments>http://www.descopera.org/de-la-eucariote-la-omul-bionic-seria-nr-1/#comments</comments>
		<pubDate>Sun, 20 Nov 2011 14:46:00 +0000</pubDate>
		<dc:creator>Marius Ignatescu</dc:creator>
				<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3721</guid>
		<description><![CDATA[Traim intr-o era suprainformatizata. Navigarea haotica in spatiul informational supraaglomerat ne poate crea confuzii iremediabile. Familiarizarea cu varietatea larga de subiecte ale cunoasterii ne orienteaza spre ideile si conceptele despre care dorim sa aflam mai multe.
Lumea informatiilor, a cunoasterii, este de fapt apanajul fiintelor umane. In spatele fiecarei descoperiri stiintifice, al fiecarui mecanism ingineresc, al [...]]]></description>
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		<slash:comments>0</slash:comments>
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		<item>
		<title>Zirconiul in stomatologie</title>
		<link>http://www.descopera.org/zirconiul-in-stomatologie/</link>
		<comments>http://www.descopera.org/zirconiul-in-stomatologie/#comments</comments>
		<pubDate>Tue, 25 Oct 2011 16:26:56 +0000</pubDate>
		<dc:creator>Bogdan Fondrea</dc:creator>
				<category><![CDATA[Biologie si medicina]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3676</guid>
		<description><![CDATA[Zirconiul a devenit rapid materialul de electie pentru realizarea coroanelor dentare in stomatologie. Acest material este utilizat pentru realizarea coroanelor dentare, puntilor dentare, dar si in implantologie. Acest lucru se datoreaza calitatilor inegalabile ale acestui material : estetica, biocompatibilitate si rezistenta.
Precizia lucrarii din zirconiu este garantata de realizarea structurii interne de catre computer prin taierea [...]]]></description>
		<wfw:commentRss>http://www.descopera.org/zirconiul-in-stomatologie/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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		<item>
		<title>Incrustatiile ceramice &#8211; alternativa moderna in restaurarile dentare</title>
		<link>http://www.descopera.org/incrustatiile-ceramice-alternativa-moderna-in-restaurarile-dentare/</link>
		<comments>http://www.descopera.org/incrustatiile-ceramice-alternativa-moderna-in-restaurarile-dentare/#comments</comments>
		<pubDate>Wed, 21 Sep 2011 18:03:51 +0000</pubDate>
		<dc:creator>Bogdan Fondrea</dc:creator>
				<category><![CDATA[Biologie si medicina]]></category>
		<category><![CDATA[Stiinta]]></category>

		<guid isPermaLink="false">http://www.descopera.org/?p=3611</guid>
		<description><![CDATA[Pe langa tendinta estetica, obiectiv deloc neglijat de societatea zilelor noastre, deosebit de important este aspectul reprezentat de conservarea tesuturilor dentare sanatoase, astfel incat rezistenta lor sa fie cat mai mare. In intampinarea acestor imperative vin cu mare incredere restaurarile coronare unidentare reprezentate de incrustatiile din ceramica.
Trebuie subliniat faptul ca, conceptul de inlay ceramic dateaza [...]]]></description>
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		<slash:comments>1</slash:comments>
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