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line 21, column 7: Undefined item element: standfirst (25 occurrences) [help]

							<standfirst>&lt;p&gt;Odd cell divisions could help explain why even y ...
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line 76, column 50: atom:updated must be an RFC-3339 date-time: Sun, 18 Feb 2024 15:57:41 GMT (14 occurrences) [help]

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line 305, column 1: Missing atom:link with rel="self" [help]
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<title>'Living Fossil' Lizards Are Constantly Evolving--You Just Can't See It</title>
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<standfirst>From jackals to hornbills, many grassland animals form a deep bond with their partner</standfirst>
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<description>The songbirds in your backyard hop around on such itty-bitty legs. Here&rsquo;s why bird legs are so skinny and how they can support a bird&rsquo;s weight</description>
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<media:description type="html"><![CDATA[Splendid Fairy-wren (Malurus splendens).]]></media:description>
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<title>Is Bisexuality Genetic? It's More Complex Than Some Studies Imply</title>
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<standfirst>The controversy over a recent paper on human bisexual behavior emphasizes how important it is not to overinterpret genetic studies of sexuality&mdash;and how easy it is to do so</standfirst>
<description>The controversy over a recent paper on human bisexual behavior emphasizes how important it is not to overinterpret genetic studies of sexuality&mdash;and how easy it is to do so</description>
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<title>Why Do Dogs Wag Their Tail?</title>
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<description>Is your dog&rsquo;s tail-wagging a side effect of domestication, or did humans select for it?</description>
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<media:credit><![CDATA[Alphotographic/Getty Images]]></media:credit>
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<title>A Dog Breed's Size and Face Shape Might Predict How Long It Lives</title>
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<description>Traits such as face shape, size and sex help predict a dog breed&rsquo;s life span</description>
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<media:credit><![CDATA[Edwin Tan/Getty Images]]></media:credit>
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<title>Why Does the Same Temperature Feel Hotter or Colder in Different Places?</title>
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<standfirst>The answer isn&rsquo;t just about temperature. Our physiology, psychology and clothing choices also factor in</standfirst>
<description>The answer isn&rsquo;t just about temperature. Our physiology, psychology and clothing choices also factor in</description>
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<media:credit><![CDATA[Brian Cassella/Chicago Tribune/Tribune News Service via Getty Images]]></media:credit>
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<standfirst>As climate change makes the planet hotter, some animals might become more active at night to escape the midday heat</standfirst>
<description>As climate change makes the planet hotter, some animals might become more active at night to escape the midday heat</description>
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<standfirst>Scientists discover why fathers usually don&rsquo;t pass on their mitochondria&rsquo;s genome</standfirst>
<description>Scientists discover why fathers usually don&rsquo;t pass on their mitochondria&rsquo;s genome</description>
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<media:description type="html"><![CDATA[Mitochondria.]]></media:description>
<media:credit><![CDATA[Kateryna Kon/Science Source]]></media:credit>
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<title>Fossils Finally Reveal Fiery Colors of Prehistoric Animals</title>
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<atom:updated>Wed, 21 Feb 2024 18:41:07 GMT</atom:updated>
<standfirst>An ancient frog, bird and dinosaur wore elusive yellow and orange shades, a new lab technique reveals</standfirst>
<description>An ancient frog, bird and dinosaur wore elusive yellow and orange shades, a new lab technique reveals</description>
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<media:description type="html"><![CDATA[The bird Confuciusornis, which lived more than 120 million years ago, had warm-colored feathers.]]></media:description>
<media:credit><![CDATA[Millard H. Sharp/Science Source]]></media:credit>
</media:content><dc:creator>Riley Black</dc:creator><category>Advances</category><category>Biology</category><category>Paleontology</category></item>
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<title>Why Insects Are Attracted to Light at Night</title>
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<atom:updated>Wed, 31 Jan 2024 18:56:14 GMT</atom:updated>
<standfirst>Contrary to popular lore, insects do not confuse artificial light for the moon</standfirst>
<description>Contrary to popular lore, insects do not confuse artificial light for the moon</description>
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<media:description type="html"><![CDATA[An Oleander Hawkmoth Daphnis nerii.]]></media:description>
<media:credit><![CDATA[Sam Fabian]]></media:credit>
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<title>Do Cats Experience FOMO?</title>
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<standfirst>Feline experts weigh in on clingy cats&rsquo; supposed &ldquo;fear of missing out&rdquo;</standfirst>
<description>Feline experts weigh in on clingy cats&rsquo; supposed &ldquo;fear of missing out&rdquo;</description>
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<media:credit><![CDATA[Petra Richi/Getty Images]]></media:credit>
</media:content><dc:creator>Niranjana Rajalakshmi</dc:creator><category>Biology</category><category>Animals</category></item>
<item>
<title>Bacteria Make Decisions Based on Generational Memories</title>
<link>https://www.scientificamerican.com/article/bacteria-make-decisions-based-on-generational-memories/</link>
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<pubDate>Mon, 29 Jan 2024 11:45:00 GMT</pubDate>
<atom:updated>Wed, 21 Feb 2024 18:39:36 GMT</atom:updated>
<standfirst>Bacteria choose to swarm based on what happened to their great-grandparents</standfirst>
<description>Bacteria choose to swarm based on what happened to their great-grandparents</description>
<media:content url="https://static.scientificamerican.com/sciam/cache/file/0F434734-9FBC-41AE-B7FBEC987181FC0F_source.jpeg" fileSize="179286" type="image/jpeg" expression="full" width="790" height="496">
<media:credit><![CDATA[Thomas Fuchs]]></media:credit>
</media:content><dc:creator>Allison Parshall</dc:creator><category>Advances</category><category>Biology</category><category>Microbiology</category></item>
<item>
<title>Brains Are Not Required When It Comes to Thinking and Solving Problems--Simple Cells Can Do It</title>
<link>https://www.scientificamerican.com/article/brains-are-not-required-when-it-comes-to-thinking-and-solving-problems-simple-cells-can-do-it/</link>
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<pubDate>Sat, 27 Jan 2024 14:00:00 GMT</pubDate>
<atom:updated>Wed, 21 Feb 2024 18:47:13 GMT</atom:updated>
<standfirst>Tiny clumps of cells show basic cognitive abilities, and some animals can remember things after losing their head</standfirst>
<description>Tiny clumps of cells show basic cognitive abilities, and some animals can remember things after losing their head</description>
<media:content url="https://static.scientificamerican.com/sciam/cache/file/0B155646-0D3C-4284-A0AB8EE80631BBA1_source.jpg" fileSize="174376" type="image/jpeg" expression="full" width="790" height="496">
<media:credit><![CDATA[Natalya Balnova]]></media:credit>
</media:content><dc:creator>Rowan Jacobsen</dc:creator><category>Features</category><category>Biology</category><category>Cognition</category></item>
<item>
<title>New 'Chicken from Hell' Discovered</title>
<link>https://www.scientificamerican.com/article/new-chicken-from-hell-discovered/</link>
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<pubDate>Fri, 26 Jan 2024 15:00:00 GMT</pubDate>
<standfirst>A newly identified &ldquo;chicken from hell&rdquo; species suggests dinosaurs weren&rsquo;t sliding toward extinction before the fateful asteroid hit</standfirst>
<description>A newly identified &ldquo;chicken from hell&rdquo; species suggests dinosaurs weren&rsquo;t sliding toward extinction before the fateful asteroid hit</description>
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<media:description type="html"><![CDATA[Birdlike dinosaur Eoneophron infernalis (center) was about the size of an adult human.]]></media:description>
<media:credit><![CDATA[Illustration by Zubin Erik Dutta ; “A new oviraptorosaur (Dinosauria: Theropoda) from the end-Maastrichtian Hell Creek Formation of North America” by Kyle L. Atkins-Weltman et al., in PLOS, Vol.19, No. 1. Published online January 24, 2024 (CC BY 4.0)]]></media:credit>
</media:content><dc:creator>Kyle Atkins-Weltman, Eric Snively, The Conversation US</dc:creator><category>Biology</category><category>Evolution</category><category>Paleontology</category></item>
<item>
<title>Tiny Fossils Reveal Dinosaurs' Lost Worlds</title>
<link>https://www.scientificamerican.com/article/tiny-fossils-reveal-dinosaurs-lost-worlds/</link>
<guid isPermaLink="false">4996CB0C-E428-4397-BAF5609BB4474A99</guid>
<pubDate>Fri, 26 Jan 2024 14:30:00 GMT</pubDate>
<atom:updated>Wed, 21 Feb 2024 18:43:50 GMT</atom:updated>
<standfirst>Special assemblages of minuscule fossils bring dinosaur ecosystems to life</standfirst>
<description>Special assemblages of minuscule fossils bring dinosaur ecosystems to life</description>
<media:content url="https://static.scientificamerican.com/sciam/cache/file/53AB224E-AFA0-4622-BF13E1547557A96F_source.jpg" fileSize="204012" type="image/jpeg" expression="full" width="790" height="496">
<media:credit><![CDATA[Sam Falconer]]></media:credit>
</media:content><dc:creator>Kristina A. Curry Rogers, Raymond R. Rogers</dc:creator><category>Features</category><category>Biology</category><category>Paleontology</category></item>
<item>
<title>Robotic Dinosaur Tests How Dinos (and Birds) Got Wings</title>
<link>https://www.scientificamerican.com/article/robotic-dinosaur-tests-how-dinos-and-birds-got-wings/</link>
<guid isPermaLink="false">A7CCA3D5-A30F-41FB-A7172B083EA5A5A3</guid>
<pubDate>Thu, 25 Jan 2024 16:00:00 GMT</pubDate>
<atom:updated>Fri, 02 Feb 2024 19:59:09 GMT</atom:updated>
<standfirst>Scientists built a robotic dinosaur to terrify grasshoppers, all in hopes of understanding how truly pathetic wings could offer prehistoric animals an evolutionary advantage</standfirst>
<description>Scientists built a robotic dinosaur to terrify grasshoppers, all in hopes of understanding how truly pathetic wings could offer prehistoric animals an evolutionary advantage</description>
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<media:description type="html"><![CDATA[A grasshopper flees in response to the folding movement of Robopteryx’s hypothetical proto-wing display. The grasshopper’s escape behaviour is triggered by the hypothetical flush-display executed by the robot. The white arrow in the video indicates the grasshopper’s position before the jump. This is a 960 fps video at 1/12 speed.]]></media:description>
<media:credit><![CDATA[Jinseok Park, Piotr Jablonski et al.]]></media:credit>
</media:content><dc:creator>Meghan Bartels</dc:creator><category>Biology</category><category>Dinosaurs</category><category>Evolution</category></item>
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