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	<title>World Education Online &#187; Uncategorized</title>
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		<title>Fact Sheet &#8211; Why Do Bees Buzz ?</title>
		<link>http://www.worldeducationonline.net/fact-sheet-why-do-bees-buzz/</link>
		<comments>http://www.worldeducationonline.net/fact-sheet-why-do-bees-buzz/#comments</comments>
		<pubDate>Sun, 28 Jun 2009 12:45:12 +0000</pubDate>
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				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.worldeducationonline.net/?p=68</guid>
		<description><![CDATA[Originally scientist thought that bees made a buzzing  sound with the rapid beats of their wings, which were though to course air  vibrations that the human ear detected as a buzz.  Larger bees had slower wing beats, which  were thought to cause the lower buzz pitch, and smaller bees that had higher [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignright" title="bees" src="http://theriverreporter.files.wordpress.com/2009/05/bee1.jpg" alt="" width="344" height="245" />Originally scientist thought that bees made a buzzing  sound with the rapid beats of their wings, which were though to course air  vibrations that the human ear detected as a buzz.  Larger bees had slower wing beats, which  were thought to cause the lower buzz pitch, and smaller bees that had higher  wing beats also had higher pitched buzzes.</p>
<p>However this did not explain why some <strong>bees</strong> could buzz  whilst completely at rest, and so scientists were forced to look deeper for  answers.  It has now been discovered  that it is not the wing beat that actually causes the buzzing noise, but instead  it is all part of the complex flight system found in bees and flies known as the  ‘click mechanism’.  This mechanism  is what allows the bees to flap their wings fast enough to provide enough thrust  and lift to fly their relatively heavy bodies.</p>
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</script></div><p><strong>The buzzing noise</strong> is created as the bees thorax  clicks in and out of place at high speed, which enables them to not only flap  their wings, but also to twist and turn them at an angle as they beat up and  down, which reduces drag and allows the bee to beat their wings even  faster.  This means that they can  get as many two beats or more for every tiny muscular contraction, which equates  to as many as 200 beats per second.   The click of the exoskeleton resonates in the thoracic cavity and creates  that characteristic buzzing sound.</p>
<p>Scientist  also think some bees, such as the <strong>larger bumble bees</strong>, also use this buzzing  vibration to help shake pollen free from flowers, and this may explain why some  bees still buzz loudly when they are on flowers, especially plants such as  tomatoes and honey suckle as these have tubular anthers which are more difficult  for larger bees to reach the pollen inside.</p>
<h4>Related Tags</h4><li>why do bees buzz, why do flying bees buzz, , why do flying bees buzz?, why do bees buzz?, how do bees buzz, why bees buzz, mss, why does bees buzz, why do bees buzz when flying, bees buzzing, how do bees buzz?, 0, what makes bees buzz, 3]]></content:encoded>
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		<title>What Training Is Required To Become A Top Chef?</title>
		<link>http://www.worldeducationonline.net/what-training-is-required-to-become-a-top-chef/</link>
		<comments>http://www.worldeducationonline.net/what-training-is-required-to-become-a-top-chef/#comments</comments>
		<pubDate>Wed, 03 Dec 2008 12:35:54 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://www.worldeducationonline.net/?p=64</guid>
		<description><![CDATA[There are hundreds of culinary schools throughout the  world, and if you are thinking of a career in catering, in particular in  becoming a top executive chef (head chef and overall kitchen manager), then here  are a few ideas to help you get started.
You can join the catering profession with no  [...]]]></description>
			<content:encoded><![CDATA[<p><img class="alignright" title="top chef" src="http://img10.imageshack.us/img10/8275/chef250x251.jpg" alt="" width="250" height="251" />There are<strong> hundreds of culinary schools </strong>throughout the  world, and if you are thinking of a career in catering, in particular in  becoming a top executive chef (head chef and overall kitchen manager), then here  are a few ideas to help you get started.</p>
<p>You can join the <strong>catering profession</strong> with no  virtually no qualifications, and start at the bottom in low skilled kitchen  positions.  After a few years of in  house training in food preparation, hygiene and basic cooking skills you should  be able to advance to an assistant cook position, and beyond that you could  become a head cook, running establishments such as cafes, bar kitchens, fast  food restaurants and cafeterias.   Although head cook positions can be well paid, it could take you a long  time to advance to this level, and it is unlikely you will get a job working for  any of the top fine dining kitchens without any  qualifications.</p>
<p><strong>To be a top chef</strong> you will need some formal catering  training, and to start off it is a good idea to gain high school, college or  culinary school basic diplomas in food preparation, hygiene and business  administration.  Don’t forget that  executive chefs run all aspects of their kitchens, from the food preparation  through to the staff training and produce sourcing, so it is important for you  to have some qualifications in business practices.  Once you have basic catering  qualifications you will then be able to apply for internships in the food  service industry and these will typically start off as low skilled positions,  but in very good professional kitchens in top hotels, restaurants and event  centres.</p>
<p>It takes many years of<strong> training and experience for a  chef</strong> to acquire the level of skill needed to be an executive chef in a top  restaurant, and although you can learn a lot about the industry by working in  top kitchens, many chefs find it much more beneficial to complete further two to  four year advanced catering courses, either through colleges or culinary  institutions, as these focus on honing essential chef skills, and gives  individuals an advantage when applying for positions in top kitchens where the  standards of even the lower skilled positions available are very  high.</p>
<h4>Related Tags</h4><li>how to become a chef in canada, how to become a top chef, , education needed to become a chef, what is required to become a chef, how to become a chef in australia, training to become a chef, education required to become a chef in canada, training required to become a chef, education and training needed for chef, what science is needed to become a chef?, top chef qualifications, skills needed to be a chef in canada, becoming a chef in canada, what education and training is required to become a chef]]></content:encoded>
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		<title>Charles Darwin – A Brief History of the Great Naturalist</title>
		<link>http://www.worldeducationonline.net/charles-darwin-%e2%80%93-a-brief-history-of-the-great-naturalist/</link>
		<comments>http://www.worldeducationonline.net/charles-darwin-%e2%80%93-a-brief-history-of-the-great-naturalist/#comments</comments>
		<pubDate>Sat, 28 Jun 2008 12:39:54 +0000</pubDate>
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		<guid isPermaLink="false">http://www.worldeducationonline.net/?p=66</guid>
		<description><![CDATA[Charles Robert Darwin was one of the foremost  naturalists in the world, and published a number of detailed works that took  some of the new but very vague thoughts and conjectures on the notion of  evolution, and compiled them into a series of very credible and intellectual  theories, with a compelling [...]]]></description>
			<content:encoded><![CDATA[<p><strong><img class="alignright" title="charles" src="http://img7.imageshack.us/img7/1906/charlesdarwin01.jpg" alt="" width="249" height="320" />Charles Robert Darwin</strong> was one of the foremost  naturalists in the world, and published a number of detailed works that took  some of the new but very vague thoughts and conjectures on the notion of  evolution, and compiled them into a series of very credible and intellectual  theories, with a compelling body of scientific research and data to back them  up.  Darwin’s works transformed that  way in which we thought about the roles of nature and humanity, and was one of  the most influential and controversial scientific advances ever  made.</p>
<p><strong>Charles Darwin</strong> was born in Shrewsbury, Shropshire on  12 February 1809, and was related to two important men of this time, Josiah  Wedgwood the famous china manufacturer and also Erasmus Darwin, who was one of  the most prominent intellectuals the 18<sup>th</sup> Century.  Darwin had a comfortable upbringing, and  originally studied at Edinburgh University with a view to following a medical  career.  However his interest in  science and the nature of divinity prompted him to move to Cambridge, and in  1831 he joined what was to become a seminal scientific expedition for him, on  the survey ship HMS Beagle.</p>
<p>During this time the popular belief in the creation  of the world and humanity was that described in Genesis in the Bible, in that  God created the world in seven days.   However many intellectuals and great scientists throughout history had  dared to question this belief, and the 17<sup>th</sup> and 18<sup>th</sup> Century saw many new theories on this subject.  Darwin was not the first scientist to  become interested in the idea of evolution, and he was influenced by Lyell&#8217;s  &#8216;Principles of Geology&#8217;, which highlighted the existence of fossils, clear  evidence that animals had existed on the planet for much longer than anyone had  first thought, and indeed for much longer than humans.</p>
<p>Darwin’s ideas on evolution themselves evolved over  time, and the breakthrough came when he visited the Galapagos Island, which so  clearly illustrated how the same species (namely the finch) could evolve  uniquely over time to suit individual environments.</p>
<p>The most important thing about Darwin’s theory of  evolution was that he worked on it for 20 years, collecting an impressive, and  most importantly an almost irrefutable body of methodical scientific evidence to  support his theory, so that when he finally published his work &#8216;On the Origin of  Species by Means of Natural Selection&#8217; in 1859, his arguments and the evidence  he had collected was so overwhelming that it smashed all prevailing theories  before it, and quickly changed the way everyone thought about the creation of  the world.</p>
<h4>Related Tags</h4><li>brief history of charles darwin, a brief history of charles darwin, charles darwin short history, great naturalists, history of darvin, briefly history of charles darwin, brief history on charles darwin, brief history charles darwin, short history of darwin, short history of darwin in one or two pages, darvin com naturalist, darwin brief history, darwin history, darwins career brief, great naturalist]]></content:encoded>
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