Search Results

Search Results

Showing 41-80 of 80 Resources
  • Great Transitions Interactive

    Great Transitions Interactive

    Click & Learn

    The fossils of transitional creatures were key evidence for Darwin’s evolutionary theory, but none had been found when he published On the Origin of Species. Now, there are many examples of such fossils, which clearly show that big evolutionary leaps consist of many smaller steps.

  • Young Students Recognize a Transitional Fossil

    Young Students Recognize a Transitional Fossil

    Clip

    (4 min 44 sec) Neil Shubin brought the fossil of Tiktaalik to his daughter’s first grade class to see what the students would make of it.

  • It's a Fishapod!

    It's a Fishapod!

    Article

    This article by Sean B. Carroll tells the story of the search for and discovery of Tiktaalik, an animal with a mix of fish and tetrapod features—a fishapod! It supplements the short film Great Transitions: The Origin of Tetrapods, starring Neil Shubin.

  • Film Guides: The Origin of Tetrapods

    Film Guides: The Origin of Tetrapods

    Film Guide

    The following classroom-ready resources complement Great Transitions: The Origin of Tetrapods, which tells the story of the discovery of Tiktaalik, a creature with features common to fish and four-legged animals, or tetrapods.

  • Great Transitions: The Origin of Tetrapods

    Great Transitions: The Origin of Tetrapods

    Short Film

    (17 min 11 sec) One of the most exciting discoveries in the long history of fossil exploration is Tiktaalik, a creature with a mix of features common to fish and four-legged animals, or tetrapods.

  • Explore Your Inner Animals

    Explore Your Inner Animals

    Click & Learn

    This interactive explores different anatomical features of the human body and what they reveal about the evolutionary history we share with other organisms, including earlier, long-extinct species.

  • Stickleback Evolution Virtual Lab

    Stickleback Evolution Virtual Lab

    Virtual Lab

    This virtual lab teaches skills of data collection and analysis to study evolutionary processes using stickleback fish and fossil specimens.

  • The Day the Mesozoic Died

    The Day the Mesozoic Died

    Short Film

    (33 min 43 sec) The disappearance of the dinosaurs at the end of the Cretaceous period posed one of the greatest, long-standing scientific mysteries. This three-act film tells the story of the extraordinary detective work that solved it. Also available in Spanish.

  • Deep History of Life on Earth

    Deep History of Life on Earth

    Click & Learn

    The record of life on Earth stretches over 3 billion years. Deep time and Earth history are keys to understanding the present.

  • How To Find a Dinosaur

    How To Find a Dinosaur

    Scientists at Work

    (4 min 5 sec) Dr. Lyson describes dinosaur digs as well as his focus on prehistoric turtle fossils.

  • Discussion with Students on The Day The Mesozoic Died Short Film

    Discussion with Students on The Day The Mesozoic Died Short Film

    Lecture

    (42 min 27 sec) Students discuss the short film after a screening at the 2012 Holiday Lectures on Science.

  • The Deep History of a Living Planet

    The Deep History of a Living Planet

    Lecture

    (1 hr 28 min 29 sec) Microbes have been the dominant life form throughout Earth's history. Eukaryotes and animals evolved only after microbes evolved oxygen-generating photosynthesis.

  • Changing Planet: Past, Present, Future

    Changing Planet: Past, Present, Future

    Lecture

    Has Earth changed over deep time? How did Earth shape life and life shape Earth? What does Earth's climate in the distant past tell us about the future?

  • Weighing the Evidence for a Mass Extinction—On Land

    Weighing the Evidence for a Mass Extinction—On Land

    Activity

    A lesson in which students analyze graphs and data on pollen grains and fern spores to form a picture of the living landscape before and after the K-T mass extinction.

  • Determining the Size and Energy of the K-T Asteroid

    Determining the Size and Energy of the K-T Asteroid

    Activity

    A lesson in which students calculate the mass, size, and kinetic energy of the K-T asteroid based on the total abundance of iridium in the K-T boundary layer.

  • Earth Evolution—The Intersection of Geology and Biology

    Earth Evolution—The Intersection of Geology and Biology

    Poster

    A poster from the 2012 Holiday Lectures on Science, Changing Planet: Past, Present, Future. It illustrates how the Earth has evolved over the past 4.6 billion years, and highlights how that evolution influences biological evolution.

  • Classroom Activities: EarthViewer

    Classroom Activities: EarthViewer

    Activity

    EarthViewer was designed as an interactive learning tool. Download the PDF linked in the right hand column for some ideas on how to use the app in your class, or click on the EarthViewer link to find out more about the app.

  • Weighing the Evidence for a Mass Extinction—In the Ocean

    Weighing the Evidence for a Mass Extinction—In the Ocean

    Activity

    A hands-on activity in which students see first-hand the difference in foraminifera fossils below and above the K-T boundary. Also available in Spanish.

  • Article: The Day the Mesozoic Died

    Article: The Day the Mesozoic Died

    Article

    A short article by Dr. Sean B. Carroll detailing the discoveries covered in the film The Day The Mesozoic Died.

  • Film Guides: The Day the Mesozoic Died

    Film Guides: The Day the Mesozoic Died

    Film Guide

    The following classroom-ready resources complement The Day the Mesozoic Died, which tells the story of the extraordinary detective work that led to the stunning discovery that an asteroid struck Earth 66 million years ago, triggering a mass extinction of animals, plants and even microorganisms.

  • Using the Scientific Process to Study Human Evolution

    Using the Scientific Process to Study Human Evolution

    Click & Learn

    Paleoanthropology provides an excellent example of the scientific process at work. Also available in Spanish.

  • Skeletons Reveal Human and Chimpanzee Evolution

    Skeletons Reveal Human and Chimpanzee Evolution

    Click & Learn

    Comparing features of a 4.4-million-year-old fossil skeleton to those of human and chimpanzee skeletons sheds light on our evolutionary history.

  • Human Evolution Within the Tree of Life

    Human Evolution Within the Tree of Life

    Poster

    The poster from the 2011 Holiday Lectures on Science, Bones, Stones and Genes: The Origin of Modern Humans. It provides a unique look at the classic "tree of life" and features a timeline of various hominid fossils and their stone tool usage.

  • Worksheet for The Stickleback Evolution Virtual Lab

    Worksheet for The Stickleback Evolution Virtual Lab

    Activity

    A worksheet that guides students through The Stickleback Evolution Virtual Lab. The virtual lab lets students learn firsthand the methods for analyzing body structure in stickleback collected from lakes and fossils recovered from a quarry. Students measure, record, and graph their results to discover evolutionary patterns.

  • Hominid Paleobiology

    Hominid Paleobiology

    Lecture

    (1 hr 33 min 25 sec) The hominid fossil record of the past six million years gives us surprising insights into the path of human evolution.

  • Stone Tools and the Evolution of Human Behavior

    Stone Tools and the Evolution of Human Behavior

    Lecture

    (58 min 31 sec) Stone tools are well-preserved evidence of past human activity.

  • Human Evolution and the Nature of Science

    Human Evolution and the Nature of Science

    Lecture

    (29 min 1 sec) How reasoning and evidence are used to understand human evolution.

  • Bones, Stones, and Genes: The Origin of Modern Humans

    Bones, Stones, and Genes: The Origin of Modern Humans

    Lecture

    Where and when did humans arise? What distinguishes us from other species? Did our distant ancestors look and behave like us?

  • Stratigraphic Principles

    Stratigraphic Principles

    Clip

    (2 min 21 sec) Dr. John Shea demonstrates the two main principles in the study of rock layers: superposition and association.

  • Classifying Stone Tools

    Classifying Stone Tools

    Clip

    (3 min 4 sec) Prehistoric stone tools are classified into six broad technological modes by the level of sophistication and method of fabrication.

  • Rift Valleys of Africa and Plate Tectonics

    Rift Valleys of Africa and Plate Tectonics

    Clip

    (2 min 14 sec) African rift valleys were formed by the separation of tectonic plates. Water flows down to the valley floors, creating rivers and lakes.

  • Hardening Fragile Fossils for Extraction

    Hardening Fragile Fossils for Extraction

    Clip

    (19 sec) Due to the delicate nature of fossils, a hardening chemical is dripped onto every fossil before it is removed from the soil.

  • The Delicate Process of Excavating and Cleaning Fossils

    The Delicate Process of Excavating and Cleaning Fossils

    Clip

    (1 min 27 sec) Fossils are extremely fragile. Scientists remove them in a protective layer of plaster and clean sand away one grain at a time.

  • Floods Supply Sediments for Fossil Formation

    Floods Supply Sediments for Fossil Formation

    Clip

    (2 min 42 sec) The floor of a rift valley is prone to periodic floods that carry in fine silt--the sedimentary matter responsible for fossil formation.

  • Making Stone Tools by Flintknapping

    Making Stone Tools by Flintknapping

    Clip

    (1 min 23 sec) Stone tools similar to those found at prehistoric archaeological sites can be made by fracturing rocks, a technique known as flintknapping.

  • Dung Beetles and their Fossilized Evidence

    Dung Beetles and their Fossilized Evidence

    Clip

    (39 sec) Fossilized dung beetle balls are part of a comprehensive fossil collection project to reconstruct the habitat of Ardipithecus ramidus.

  • Fossil Evidence and Evolution

    Fossil Evidence and Evolution

    Poster

    The poster from the 2005 Holiday Lectures on Science, Evolution: Constant Change and Common Threads. Place the fossils in the right geological era, period, and epoch. (This poster is designed to printed at a maximum size of 29.5" x 23.5".)

  • Evolution: Constant Change and Common Threads

    Evolution: Constant Change and Common Threads

    Lecture

    How has the amazing diversity of plants and animals evolved? What can fossils, butterflies, and stickleback fish tell us about the deep common ancestry of all living forms?

  • Stickleback Environment

    Stickleback Environment

    Clip

    (1 min 27 sec) At the end of the ice age, the retreating ice sheet created many new lakes, some of which were colonized by sticklebacks.

  • Fossil Record of Stickleback Evolution

    Fossil Record of Stickleback Evolution

    Clip

    (2 min 34 sec) A quarry site in Nevada carries the evolutionary history of a population of stickleback fish that resided there when it was a freshwater lake.

Refine Results

Narrow your choices by selecting areas below.

Topics

Extended Filters