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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.
(Source: DCMP)
Paleoanthropologist Dr. Tim White discusses how his team unearthed the fossil of Ardipithecus ramidus, an early hominid that lived about 4.4 million years ago. Dr. White discusses the fossil record and hominid evolution.
Students learn why fossils are often referred to as "windows to the past." The basic requirements for fossil formation are identified. Examples of various fossils highlight different types of fossil preservation, including petrification, imprints, molds and casts, freezing, amber fossilization, and preservation in tar pits. Finally, various uses of fossils are discussed. Additional terminology and concepts: cement, paleontology, fossil fuels, preserved remains, paleontologist, sediments, and limestone.
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.
Paleo-anthropologists believe Homo sapiens evolved in Africa 100-200 thousand years ago, and eventually moved out of Africa to populate the globe. But, how can researchers trace the specifics of that human migration? With support from the National Science Foundation, Florida Museum of Natural History Mammologist David Reed has undertaken a novel approach. He studies the genetic diversity and evolution of the human parasite that hitched a ride the whole way: lice.
In 1964, a paleontologist named John Ostrom unearthed some fascinating fossils from the mudstone of Montana. Its discovery set the stage for what’s known today as the dinosaur renaissance: a total rethinking of what scientists thought they knew about dinosaurs. Part of the "Eons" series.
Host Emily Graslie interviews Peter Makovicky, Associate Curator of Paleontology, about a new species of dinosaur he discovered: the Siats meekerorum. Based on the skeletal remains, evidence points to this being a newly discovered meat-eating dinosaur. Part of "The Brain Scoop" series.
3D Model Dinosaur T-Rex Skull and Base.
(Source: Thingyverse)
Discovering a dinosaur is just the first step. Paleontologists Sterling Nesbitt, Mark Norell, and Danny Barta tell the story behind the treasure trove of Triassic fossils from Ghost Ranch, New Mexico. Part of the "Shelf Life" series.
Paleontologists found a small theropod dinosaur skull right on top of a nest of eggs that were believed to belong to a plant-eating dinosaur. Instead of being the nest robbers that they were originally thought to be, raptors like this one would reveal themselves to actually be caring parents. Part of the "Eons" series.
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.
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.
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.
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.
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.
Charles Darwin once boldly predicted that buried deep in the earth are transitional fossils of creatures with intermediate features between ancestral animal groups and the modern animal groups. Since Darwin’s time, many transitional fossils have been discovered, and they provide crucial insights into the origin of key structures and the creatures that possess them. And University of Chicago paleontologist and award-winning author Neil Shubin provides a first-hand account of the painstaking search for the transitional fossil of Tiktaalik, a creature with a mix of features common to fish and four-legged animals.
New research reveals why the saber-tooth tiger needed such large teeth.
These hyaenodonts gave the world some of its largest terrestrial, carnivorous mammals ever known. While these behemoths were the apex predators of their time, they were no match for a changing world. Part of the "Eons" series.
Over a thousand dinosaur species once roamed the Earth. Learn which ones were the largest and the smallest, what dinosaurs ate and how they behaved, as well as surprising facts about their extinction.
With a rhyming text and paper collage illustrations, author-artist Bob Barner brings dinosaurs back to life and offers fun dinosaur facts. Based on the children's book.
