Welcome to Crimetown, a series produced by Marc Smerling and Zac Stuart-Pontier in partnership with Gimlet Media. Each season, we investigate the culture of crime in a different city. In Season 2, Crimetown heads to the heart of the Rust Belt: Detroit, Michigan. From its heyday as Motor City to its rebirth as the Brooklyn of the Midwest, Detroit’s history reflects a series of issues that strike at the heart of American identity: race, poverty, policing, loss of industry, the war on drugs, an ...
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HEADLINE: Knuckle Walkers and the Discovery of Color in Cretaceous Dinosaurs BOOK TITLE: Other Lands, a journey through Earth's extinct worlds GUEST AUTHOR NAME: Thomas Halliday 200-WORD SUMMARY: This section focuses on the Cretaceous period, 125 million
Manage episode 510944118 series 2974360
Content provided by Audioboom and John Batchelor. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Audioboom and John Batchelor or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
HEADLINE: Knuckle Walkers and the Discovery of Color in Cretaceous Dinosaurs
BOOK TITLE: Other Lands, a journey through Earth's extinct worlds
GUEST AUTHOR NAME: Thomas Halliday
200-WORD SUMMARY: This section focuses on the Cretaceous period, 125 million years ago, exploring the heyday of non-avian dinosaurs. Herbivores, such as the 17-meter-long titanosaurs, are described as "knuckle walkers" because they lost their finger bones and supported their immense weight on modified hand bones. The forests at this time were primarily composed of conifers, ginkos, and ferns, as flowering plants were only just beginning to emerge. The site of Liaoning, China, provides extraordinary preservation, allowing scientists to determine dinosaur coloration. By examining melanosomes (pigment packets) preserved at a subcellular level, researchers identified patterns, such as the black bandit stripe on Sinosauropteryx. Furthermore, the counter shading found on Psittacosaurus suggests it lived in a forested ecosystem. Defense mechanisms, similar to those seen in modern ecology, were also present. For instance, lace wings (Grammalysa) possessed eye spots on their wings, likely intended to mimic the eyes of a predator, most plausibly a small theropod dinosaur, thus providing a glimpse into Cretaceous signaling and ecology.
BOOK TITLE: Other Lands, a journey through Earth's extinct worlds
GUEST AUTHOR NAME: Thomas Halliday
200-WORD SUMMARY: This section focuses on the Cretaceous period, 125 million years ago, exploring the heyday of non-avian dinosaurs. Herbivores, such as the 17-meter-long titanosaurs, are described as "knuckle walkers" because they lost their finger bones and supported their immense weight on modified hand bones. The forests at this time were primarily composed of conifers, ginkos, and ferns, as flowering plants were only just beginning to emerge. The site of Liaoning, China, provides extraordinary preservation, allowing scientists to determine dinosaur coloration. By examining melanosomes (pigment packets) preserved at a subcellular level, researchers identified patterns, such as the black bandit stripe on Sinosauropteryx. Furthermore, the counter shading found on Psittacosaurus suggests it lived in a forested ecosystem. Defense mechanisms, similar to those seen in modern ecology, were also present. For instance, lace wings (Grammalysa) possessed eye spots on their wings, likely intended to mimic the eyes of a predator, most plausibly a small theropod dinosaur, thus providing a glimpse into Cretaceous signaling and ecology.
544 episodes
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Manage episode 510944118 series 2974360
Content provided by Audioboom and John Batchelor. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Audioboom and John Batchelor or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.
HEADLINE: Knuckle Walkers and the Discovery of Color in Cretaceous Dinosaurs
BOOK TITLE: Other Lands, a journey through Earth's extinct worlds
GUEST AUTHOR NAME: Thomas Halliday
200-WORD SUMMARY: This section focuses on the Cretaceous period, 125 million years ago, exploring the heyday of non-avian dinosaurs. Herbivores, such as the 17-meter-long titanosaurs, are described as "knuckle walkers" because they lost their finger bones and supported their immense weight on modified hand bones. The forests at this time were primarily composed of conifers, ginkos, and ferns, as flowering plants were only just beginning to emerge. The site of Liaoning, China, provides extraordinary preservation, allowing scientists to determine dinosaur coloration. By examining melanosomes (pigment packets) preserved at a subcellular level, researchers identified patterns, such as the black bandit stripe on Sinosauropteryx. Furthermore, the counter shading found on Psittacosaurus suggests it lived in a forested ecosystem. Defense mechanisms, similar to those seen in modern ecology, were also present. For instance, lace wings (Grammalysa) possessed eye spots on their wings, likely intended to mimic the eyes of a predator, most plausibly a small theropod dinosaur, thus providing a glimpse into Cretaceous signaling and ecology.
BOOK TITLE: Other Lands, a journey through Earth's extinct worlds
GUEST AUTHOR NAME: Thomas Halliday
200-WORD SUMMARY: This section focuses on the Cretaceous period, 125 million years ago, exploring the heyday of non-avian dinosaurs. Herbivores, such as the 17-meter-long titanosaurs, are described as "knuckle walkers" because they lost their finger bones and supported their immense weight on modified hand bones. The forests at this time were primarily composed of conifers, ginkos, and ferns, as flowering plants were only just beginning to emerge. The site of Liaoning, China, provides extraordinary preservation, allowing scientists to determine dinosaur coloration. By examining melanosomes (pigment packets) preserved at a subcellular level, researchers identified patterns, such as the black bandit stripe on Sinosauropteryx. Furthermore, the counter shading found on Psittacosaurus suggests it lived in a forested ecosystem. Defense mechanisms, similar to those seen in modern ecology, were also present. For instance, lace wings (Grammalysa) possessed eye spots on their wings, likely intended to mimic the eyes of a predator, most plausibly a small theropod dinosaur, thus providing a glimpse into Cretaceous signaling and ecology.
544 episodes
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Welcome to Crimetown, a series produced by Marc Smerling and Zac Stuart-Pontier in partnership with Gimlet Media. Each season, we investigate the culture of crime in a different city. In Season 2, Crimetown heads to the heart of the Rust Belt: Detroit, Michigan. From its heyday as Motor City to its rebirth as the Brooklyn of the Midwest, Detroit’s history reflects a series of issues that strike at the heart of American identity: race, poverty, policing, loss of industry, the war on drugs, an ...
…
continue reading
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SpyCast, the official podcast of the International Spy Museum, is a journey into the shadows of international espionage. Each week, host Sasha Ingber brings you the latest insights and intriguing tales from spies, secret agents, and covert communicators, with a focus on how this secret world reaches us all in our everyday lives. Tune in to discover the critical role intelligence has played throughout history and today. Brought to you from Airwave, Goat Rodeo, and the International Spy Museum ...
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Lyn and Chris Dawson appear to have the perfect marriage. He's a star footballer and popular high school teacher. She's a devoted wife and mother. They share a beautiful home above Sydney's northern beaches. But when Lyn goes missing, dark secrets are buried. This is no fairytale, but a sordid story of strangely close twin brothers, teenage student lovers, and probable murder. The Australian's Hedley Thomas digs deep into a cold case which has been unsolved for 36 years, uncovering startling ...
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…
continue reading
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…
continue reading
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continue reading
The Coolest Podcast In The World. Hosted by Adam22 Watch these interviews on YouTube right here: https://www.youtube.com/nojumper
…
continue reading
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