Palaeocast

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Episode 67: Blue Beach Tetrapods Jul 22, 2016

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Blue Beach is a locality in Nova Scotia, Canada that is well known for it's fossils from the Lower Carboniferous. In particular, it is significant for being one of few sites in the world that has fossils from this time period, known as 'Romer's Gap', significant for it's apparent lack of tetrapod fossils, despite the presence of animals like Ichthyostega and Acanthostega before this time. Significant work in recent years has been done on Romer's Gap, including on the tetrapod fossils found at Blue Beach.

In this episode, we spoke to University of Calgary Associate Professor Jason Anderson about these tetrapod fossils from Blue Beach, an area he has been working on for many years. Jason and others published a paper in 2015 on some of the early tetrapod finds from Blue Beach.

Episode 66b: Saving Mongolia's Dinosaurs Jun 28, 2016

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Mongolia is a vast country with fossils from almost every period in the history of life. Important specimens representing the origin of birds, the origin of mammals, many unique dinosaur species, and the first dinosaur eggs to be identified, have all been found within it's borders. For this reason it has long been the focus of field expeditions by Mongolian and international academics, but the remote nature of many of the sites has lead to fossil trafficking – where Mongolian specimens are illegally shipped out of the country, often labelled as something else entirely. In this episode we speak to Bolortsetseg Minjin, a Mongolian palaeontologist who is helping bring many important stolen specimens back home, including the tyrannosaur Tarbosaurus bataar. We chat to her, and her colleague Thea Boodhoo, about the history of palaeonotlogy in Mongolia, and about several projects they are running to spread knowledge to Mongolian people about the importance of the rich natural history heritage of their country. We also find out about their moveable museum and plans for a big fossil outreach tour this summer in the Gobi desert, for which they are currently trying to raise funds.

Episode 66a: Saving Mongolia's Dinosaurs Jun 28, 2016

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Episode 65: Saurian Jun 03, 2016

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"Saurian is a video game focused on providing the most captivating prehistoric experience ever developed for commercial gaming: living like a true dinosaur in a dynamic open world through intense, survival based gameplay. Players will have the opportunity to take control of several different species of dinosaur in their natural environment. You will attempt to survive from hatchling to adult, managing physical needs, while avoiding predators and environmental hazards in a dynamic landscape reflecting cutting-edge knowledge of the Hell Creek ecosystem 66 million years ago."

Can video games be educational? If they portray ancient life accurately, could they even be considered palaeoart? We put such questions and more to Saurian project lead, Nick Turinetti.

Please visit the Saurian website for more details about the game and contribute to the Saurian project via their Kickstarter campaign.

Episode 64: When life nearly died May 29, 2016

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Around 250 million years ago, the largest biotic crisis the world has ever known occurred. The Permo-Triassic Mass Extinction (PTME) was an event that saw the loss of up to 95% of all species. The extinction forever changed the face of life on this planet, but what caused it? How long did the PTME last? Who were the big winners and losers? And how long did it take for life to recover?

Prof. Mike Benton, University of Bristol, joins us to discuss these questions in more.

Episode 63: Return of the Tully Monster Apr 13, 2016

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Science is a process and so the door to the revision and refinement of hypotheses must always be left open. From the research discussed in our last episode, the newspapers would have you believe that the mystery of the Tully Monster had been solved once and for all. Yet only a couple of weeks later, another new study has weighed in on the identity of this enigmatic fossil.

This episode is released to coincide with the publication of a new paper in Nature and lead author Thomas Clements, University of Leicester, joins us to discuss his new insights from looking into the eyes of the Tully Monster

Episode 62: The Tully Monster Mar 18, 2016

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Tullimonstrum gregarium, better known as the ‘Tully Monster’ is a problematic fossil from the Late Carboniferous Mazon Creek lagerstätte, Illinois, USA. The identity of this fossil has been the subject of much debate, due to its peculiar form. Several competing hypotheses have placed it within the arthropods, fish, worms or even molluscs. Joining us in this interview is Dr Victoria McCoy whose work at Yale University (recently published in Nature) was able to demonstrate that the Tully Monster belonged to a different group entirely.

Episode 61: WitmerLab Mar 15, 2016

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Dr. Larry Witmer’s lab at Ohio University studies the anatomy of modern animals to make interpretations regarding the functional morphology of extinct vertebrates. WitmerLab incorporates anatomical studies with cutting-edge technology, allowing for the reconstructions of soft-tissue structures no longer present in fossils (including respiratory apparatuses, brains, and inner ears). These reconstructions allow Dr. Witmer and his students to study the original physiology, biomechanics, and evolutionary adaptations of creatures long extinct.

Episode 60: Determining Diet Mar 04, 2016

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Diet is perhaps the most important aspect of ecology. As such, understanding the diet of extinct animals is crucial if we wish to reconstruct the ecosystems of the past. However, determining what was on the menu for extinct animals, known only from fragmentary fossils, is far from straight forward. We spoke to Dr David Button, from the University of Birmingham, to learn about the techniques palaeontologists use to deduce diet from fossils.

Episode 59: Chemnitz petrified forest Feb 22, 2016

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Beneath the city of Chemnitz, Germany, exists a entire fossilised forest. This whole ecosystem was preserved in life-position during a series of volcanic events. The forest is from the Permian period and thus represents a fantastic snapshot of life during a period where terrestrial fossils are notoriously rare.

Joining us to discuss the flora and fauna of the Permian of Germany is Dr Ronny Rößler, director of the Museum für Naturkunde Chemnitz.

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