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	<title>Junior Science Reporter &#187; living</title>
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		<title>Spinning spider silk</title>
		<link>http://www.juniorsciencereporter.org.uk/?p=420</link>
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		<pubDate>Thu, 12 Feb 2015 17:23:39 +0000</pubDate>
		<dc:creator><![CDATA[Joanna Carpenter]]></dc:creator>
				<category><![CDATA[Animals including humans]]></category>
		<category><![CDATA[Living things]]></category>
		<category><![CDATA[Properties and changes of materials]]></category>
		<category><![CDATA[video]]></category>
		<category><![CDATA[golden orb-weaver]]></category>
		<category><![CDATA[kevlar]]></category>
		<category><![CDATA[living]]></category>
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		<category><![CDATA[protein]]></category>
		<category><![CDATA[silk]]></category>
		<category><![CDATA[spider]]></category>
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		<category><![CDATA[spin]]></category>
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		<description><![CDATA[Researchers at Dalhousie University in Nova Scotia, Canada, are working out how to make artificial spider silk. Spiders build their webs out of lightweight, incredibly tough, slightly stretchy spider silk. It is stronger than steel and tougher than kevlar, which is used to make puncture-proof bicycle inner tubes. The building blocks of the silk are particular types of a substance called protein. (Different kinds of proteins are found in your hair and in foods such as meat and eggs). Jan Rainey and his coworkers have worked out exactly which proteins make up the spider silk and how they are joined to each other. The difficult part, though, is spinning the proteins into long strands. The researchers are still working on that. Spiders make up to seven different types of silk, with slightly different properties. For instance, the toughest sort is used to wrap up prey caught in the spider&#8217;s web. Normal silk comes from silk threads spun by silk worms when they are making a cocoon. Groups of silk worms are fairly easy to look after and their cocoons can be unwound into lengths of silk thread. However, spiders are more difficult to look after and in groups may begin [...]]]></description>
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		<title>Video of chicks hatching from eggs under their mother hen</title>
		<link>http://www.juniorsciencereporter.org.uk/?p=286</link>
		<comments>http://www.juniorsciencereporter.org.uk/?p=286#comments</comments>
		<pubDate>Fri, 16 Jan 2015 16:18:45 +0000</pubDate>
		<dc:creator><![CDATA[Joanna Carpenter]]></dc:creator>
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		<category><![CDATA[life cycle]]></category>
		<category><![CDATA[living]]></category>
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		<title>Animated video of the life cycle of frogs</title>
		<link>http://www.juniorsciencereporter.org.uk/?p=284</link>
		<comments>http://www.juniorsciencereporter.org.uk/?p=284#comments</comments>
		<pubDate>Fri, 16 Jan 2015 16:17:02 +0000</pubDate>
		<dc:creator><![CDATA[Joanna Carpenter]]></dc:creator>
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		<title>Video of a monarch butterfly emerging from its chrysalis</title>
		<link>http://www.juniorsciencereporter.org.uk/?p=282</link>
		<comments>http://www.juniorsciencereporter.org.uk/?p=282#comments</comments>
		<pubDate>Fri, 16 Jan 2015 16:15:31 +0000</pubDate>
		<dc:creator><![CDATA[Joanna Carpenter]]></dc:creator>
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		<title>Video of a monarch butterfly caterpillar preparing its chrysalis</title>
		<link>http://www.juniorsciencereporter.org.uk/?p=280</link>
		<comments>http://www.juniorsciencereporter.org.uk/?p=280#comments</comments>
		<pubDate>Fri, 16 Jan 2015 16:11:55 +0000</pubDate>
		<dc:creator><![CDATA[Joanna Carpenter]]></dc:creator>
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		<title>A frog that gives birth</title>
		<link>http://www.juniorsciencereporter.org.uk/?p=217</link>
		<comments>http://www.juniorsciencereporter.org.uk/?p=217#comments</comments>
		<pubDate>Thu, 08 Jan 2015 16:32:00 +0000</pubDate>
		<dc:creator><![CDATA[Joanna Carpenter]]></dc:creator>
				<category><![CDATA[Living things]]></category>
		<category><![CDATA[Living things and their habitats]]></category>
		<category><![CDATA[frog]]></category>
		<category><![CDATA[froglet]]></category>
		<category><![CDATA[living]]></category>
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		<category><![CDATA[reproduction]]></category>
		<category><![CDATA[tadpole]]></category>

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		<description><![CDATA[Most frogs lay eggs (frogspawn) in water that grow into tadpoles, froglets and then grown-up frogs. Now scientists have found a frog in the rainforests of Sulawesi Island, part of Indonesia, that gives birth to tadpoles! Two tadpoles, each about 10 millimeters long, shortly after birth. The newly described species Limnonectes larvaepartus is the only species of frog known to give birth to live tadpoles. Credit: Jim McGuire, UC Berkeley Jim McGuire, a professor at the University of California, Berkeley in the USA was in the rainforest and found a female frog giving birth to tadpoles. what he saw confirms what others had suspected but never seen happening. The frog, newly named Limnonectes larvaepartus (L. larvaepartus for short), was discovered a few decades ago by Indonesian researcher Djoko Iskandar, who works with Professor McGuire. Most male frogs fertilize eggs after the female lays them. About a dozen species have evolved ways to fertilize eggs inside the female&#8217;s body. Some of these deposit their fertilized eggs under rocks in streams but others give birth to froglets (miniature replicas of the adults). There are many other bizarre reproductive variations. Some frogs carry eggs in pouches on their back, brood tadpoles in their vocal [...]]]></description>
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		<title>Ancient volcanoes linked to dinosaurs&#8217; extinction</title>
		<link>http://www.juniorsciencereporter.org.uk/?p=198</link>
		<comments>http://www.juniorsciencereporter.org.uk/?p=198#comments</comments>
		<pubDate>Wed, 07 Jan 2015 11:20:11 +0000</pubDate>
		<dc:creator><![CDATA[Joanna Carpenter]]></dc:creator>
				<category><![CDATA[Animals including humans]]></category>
		<category><![CDATA[Living things]]></category>
		<category><![CDATA[dinosaur]]></category>
		<category><![CDATA[dinosaurs]]></category>
		<category><![CDATA[extinction]]></category>
		<category><![CDATA[lava]]></category>
		<category><![CDATA[living]]></category>
		<category><![CDATA[news]]></category>
		<category><![CDATA[rocks]]></category>
		<category><![CDATA[volcanoes]]></category>

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		<description><![CDATA[New research from Princeton University in the USA has shown that massive volcanic explosions 66 million years ago spewed enormous amounts of climate-altering gases into the atmosphere immediately before and during the extinction of the dinosaurs. A range of volcanoes in western India known as the Deccan Traps, which were once three times larger than France, began a phase of eruptions roughly 250,000 years before the extinction. For the next 750,000 years, the volcanoes unleashed more than 1.1 million cubic kilometers (264,000 cubic miles) of lava. The results suggest the Deccan Traps played a role in the dinosaurs&#8217; extinction, and challenge the idea that a meteorite impact in Mexico was the sole cause. The researchers used a precise rock-dating technique to work out when the main eruption started. &#160;]]></description>
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