Gesamtlänge aller Episoden: 20 days 1 hour 28 minutes
In this episode, we’re discussing the dramatic event that saw the rise of modern animal life and formed the foundation for all animal ecosystems – an event as fascinating as it is mysterious – the Cambrian Explosion! In the news: brand new armored di...
This episode is about the history of the earth, and how we compile all that we know about the ancient past in the great Geologic Time Scale. In the news: the shapes of bird eggs, very ancient amphibians, more dinosaur faces, and the history of hip...
The episode comes to you from inside the fossil prep lab, where we explore what goes into cleaning, repairing, and generally making fossils ready for study. We are joined by our friend Shawn Haugrud, as well as two of his lab’s head preparators: Shay...
And now for something completely different! Just how deep is Deep Time? Exactly how are important events arranged throughout our planet’s history? Which events are recent and which are ancient? In this special episode, we take a tour through Earth Hi...
This episode, we finally take the time to talk in detail about the dig site we mention more than any other, the site where we both spent many years: the Gray Fossil Site! We discuss the site’s discovery, ongoing work, ancient ecosystem, and some of o...
This episode, we’re talking mass extinction again! Last time, we touched on the event that ended the Age of Dinosaurs, but this time – by listener request! – we’re discussing the event that started it: patterns and potential causes of the end-Triassi...
This episode, by request, we’re talking about one of our favorite groups of invertebrates! Specifically, invertebrates with big brains and squiggly arms - some with beautiful shells and others with incredible camouflage - and a fantastically rich fos...
In this episode, David tells tales of his trip to Calgary for this year’s SVP meeting: research presentations; meeting new people; paleo-field trips in Alberta; and more. If you’re into vertebrate paleontology, this is one of the biggest and more exc...
This time, by request, we discuss an ancient story so detailed, compelling, and important that we had to split it in two! In part one, we find our own place on the family tree of life, and trace the history and evolutionary innovations of our ancesto...
In the second part of our exploration of our own evolutionary past, we focus in on one particular recent group of big-brained, bipedal hominins. We explore their incredible diversity, their clever creations, and the origins of a species that we know ...