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Woolly mammoths disappeared from Europe and North America at the end of the last Ice Age, about 10,000 years ago. This episode sets out to solve one of the mysteries about these charismatic megafauna: why do most remains of mammoths found in the fossil record turn out to be male? Part of the "Eons" series. Please note this title discusses animal reproduction.
(Source: DCMP)
Paleontologists today look at more than just fossil evidence to learn about organisms that lived millions of years ago. In this episode, host Emily Graslie seeks to answer the question, "How did mammals develop their specialized movements?" Part of "The Brain Scoop" series.
The myth of the missing link is persistent and argues that there must be a specimen that partly resembles an ape but also partly resembles a modern human. However, the reality is that there is no missing link in the human lineage because that’s not how evolution works. Part of the "Eons" series.
Though tool use is not unique to humans, their sophistication and degree of reliance upon them is unique, and sets humans apart from other species. So when did human tool-making begin, and why? And what does the use of tools reveal about the evolution of human ancestors? Paleoanthropologist Tim White reveals the answers in this short video.
The discovery of Archaeopteryx in a quarry in Germany in the early 1860s provided the first clue that birds descended from reptiles. In the last 40 years, scientists have identified many shared features between birds and two-legged carnivorous dinosaurs called theropods.
There was a time when few knew what dinosaurs looked like. This is the story of how Waterhouse Hawkins built the first life-sized dinosaur models and stunned the world with his creations. Based on the book by Barbara Kerley.
Explains how scientists learn about dinosaurs. Paleontologists use detective techniques to uncover fossils. They deduce how dinosaurs lived, what they ate, how they moved, and how they cared for their families. Visit a dig and learn how fossils are preserved for study. Watch a skeleton be reconstructed. Leslie Nielson hosts this live-action/animated presentation.
The Field Museum has a long history of hiring artists to help teach people about the dinosaurs and other early life on Earth. This episode features a few famous painters: Charles R. Knight, John Conrad Hansen, and Maidi Wiebe. Part of "The Brain Scoop" series.
From end to end, its forelimbs alone measured an incredible 2.4 meters long and were tipped with big, comma-shaped claws. But other than its bizarre arms, very little material from this dinosaur had been found: no skull, no feet. Scientists were unable to create a full picture of this dinosaur until they began exploring quarries in 2006 and 2009. Part of the "Eons" series.
Margaret Leinen, a paleoceanographer and climatologist, shares tales of leading the University of California’s delegation to the Paris Climate Conference. She also discusses her excitement about the imminent arrival of the new research vessel Sally Ride, named for the late astronaut who was the first American woman in space. Part of "The Constellation: Sally Ride Science Conversations" series.
Host Emily Graslie takes the fish fossils she found at Fossil Lake back to the museum. She works with Akiko Shinya, who is a fossil preparator, to prepare the fossils for exhibition. Part of "The Brain Scoop" series.
About 59 million years ago, the largest animal lurking in the ancient forests of Colombia by far was a Titanoboa. It’s only been in the past few years that scientists have put together the many pieces of this puzzling creature, but it turns out that the greatest snake that the world ever saw was made possible by a warming planet. Part of the "Eons" series.
Paleontologists have studied the fossil record of human evolution just like they have done for other major transitions, including the evolution of tetrapods from fish and the evolution of birds from dinosaurs. Sean Carroll and Tim White discuss the most important human fossils and how they illuminate key phases of human evolution, focusing in particular on three traits: larger brains, tool use, and bipedality.
Edwina, the neighborhood dinosaur, plays with kids and bakes cookies. However, Reginald Von Hoobie-Doobie is determined to prove dinosaurs are extinct, but what will happen to Edwina if anyone believes him? Based on the children's book by award-winning author Mo Willems.
Host Emily Graslie explores myths surrounding the discovery of fossils. Did the discovery of Protoceratops fossils give birth to the stories about griffins? Another mythical creature, the Cyclops, also has potential ties to the fossil record. Is an extinct species of ammonite actually serpents turned into stone? Part of "The Brain Scoop" series.
In October 2004, the understanding of the human family tree was turned upside down. Anthropologists reported that they had discovered the bones of a tiny, unknown hominin, on the Indonesian island of Flores. It was named Homo floresiensis, but it's often called "the hobbit" for its short stature and oddly proportioned feet. It’s been at the center of a major controversy in the field ever since. Part of the "Eons" series.
In this behind-the-scenes glimpse into cataloging at The Field Museum, host Emily Graslie learns how to number small skeletal samples in the mammal collection. She also visits the seal fossil collection and examines the differences between the teeth of various species. Part of "The Brain Scoop" series.
What can scientists learn from dissecting owl pellets? Host Emily Graslie visits with paleontologist Matt McDowell, and they discuss how owl pellets can be used by scientists to learn about certain aspects of an ecosystem. Part of "The Brain Scoop" series.
When scientists attempt to study prehistoric sharks, they typically only find their teeth. Since the teeth are the only fossil records, they are left to imagine what these creatures looked like. In this episode, host Emily Graslie highlights some of the teeth of prehistoric sharks. Part of "The Brain Scoop" series.
How is it that a museum can have over twelve hundred fossils of a particular species in its collection and not even know what it is? For decades, it was thought the Tully Monster, a bizarre animal that lived 307 million years ago, was an invertebrate. However, as host Emily Graslie reveals in this episode, scientists at The Field Museum finally cracked the mystery of the monster. It is actually related to lamprey fish. Part of "The Brain Scoop" series.
