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126

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  • A sand covered horseshoe crab. Caption: ARTHROPODS That means they have an exoskeleton,

    How do horseshoe crabs keep humans healthy? They have blue, copper-based blood, which quickly clots in the presence of bacterial toxins. Medical researchers use it to test intravenous drugs, vaccines, and medical devices, ensuring that they are free of bacterial contamination. Part of "The Remarkable Horseshoe Crab" series.

    (Source: DCMP)

  • Person wearing dark glasses. Caption: The next person we visit is a man whose eye was replaced

    Cyborg technology is a revolutionary development in rehabilitation medicine. It allows the brain and nervous system to manipulate specially engineered devices that help people regain the use of impaired body function. Once a dream of science fiction, this revolutionary technology is now becoming a reality. Demostrates a deep brain stimulation that can help stop the violent shaking of victims of Parkinson's disease. Presents two professors from the State University of New York and Duke University who discuss their cutting-edge research.

    (Source: DCMP)

  • Illustration showing light reflecting off a concave mirror array and concentrating on a central pressure chamber. Caption: Allows us to sterilize surgical instruments.

    In this episode, Mo Rocca explores a Medical MacGyver that makes health devices from toys, train spinning, computerized Smart Shopping Carts, and soda bottle lights.

    (Source: DCMP)

  • Person holding a smart phone. Spanish captions.

    Technological development and advances in mobile devices, including the growth of Apps, have generated a technological revolution. Some experts label this as the greatest revolution sin the Industrial Revolution. In this episode, Nerdo Cavernas demonstrates the top 3 applications of each operating system for the most popular smartphones and tablets.

    (Source: DCMP)

  • Black and white photograph of a large group of doctors standing around patient in a hospital bed. Dr. Charles R. Drew (1904-1950) who served as head of the Department of Surgery, reviews patient case Caption: and resident in surgery at Freedmen's Hospital.

    Charles Drew set a standard of excellence unparalleled by most of his white contemporaries. In 1943, his distinction in his profession was recognized when he became the first black surgeon to serve as an examiner on the American Board of Surgery. Despite the prejudices of American society in the first half of the 20th century, Charles Drew persevered in his practice and was never afraid to stand up for his beliefs and racial equality.

    (Source: DCMP)

  • Person in gloves and a lab coat handles two mice. One is noticeably heavy. Caption: because a single gene is defective,

    Dr. Jeffery Friedman introduces the genes and circuits that control appetite, including the key role of leptin. Part of the 2004 Howard Hughes Holiday Lecture Series.

    (Source: DCMP)

  • Close up of a frog's face and eyes. Caption: Now we are at 2,820 species of animals and plants.

    An important part of the conservation effort in Gorongosa National Park is to identify the species living in the park to ensure their protection and monitor their recovery. Every year, teams of scientists conduct biodiversity surveys in different areas of the park. Piotr Naskrecki leads a survey project in a particularly remote area, the limestone gorges of the Cheringoma Plateau, to study the bat population.

    (Source: DCMP)

  • Illustration of a man sitting at a desk, looking off into the distance at nothing. Caption: Maybe the continents drifted apart.

    This animated short tells the story of Alfred Wegener, a German astronomer and atmospheric scientist, who came up with the idea that continents once formed a single landmass and had drifted apart. Continental drift explained why continents' shapes fit together like pieces of a puzzle and why distant continents had the same fossils. During Wegener’s time, the idea was met with hostility but after his death a large body of evidence showed that continents do indeed move. Today the theory of plate tectonics is a fundamental principle in geology.

    (Source: DCMP)

  • Illustration of a sphere with an uneven surface. Caption: Scientists strip away the virus's harmful genes

    Gene therapy is a method for treating inherited diseases by delivering corrective versions of genes to patients. Dr. Jean Bennett and Dr. Albert Maguire focused their careers on developing a successful gene therapy for an inherited form of childhood blindness called Leber congenital amaurosis (LCA). This documentary tells the story of how the LCA gene therapy was developed. Students will learn how autosomal recessive conditions are inherited, how scientists can use modified viruses to deliver human genes to cells, what makes the eye an ideal tissue for gene therapy, and how model organisms are used to test treatments before they are tested in patients.

    (Source: DCMP)

  • An aerial photo of the South African Continent. The western boundaries and the lower triangular region of the continent are highlighted. Caption: The forest is called the Darien Gap.

    The Darién Gap is a remote tropical forest that has been home to indigenous people for thousands of years. As pressures from outside human development encroach on the forest, these communities are protecting their land using a cutting-edge tool: drones. Through a partnership with a nonprofit organization, the Rainforest Foundation, they map their community boundaries to secure land titles, create sustainable land-use plans, and monitor their forests against logging and ranching.

    (Source: DCMP)

  • A D N A strand labeled, mutación, has its section highlighted and labeled, proteina Spanish Caption: El principio de la terapia genica.

    Watch the story of how gene therapy restored the sight of a nearly-blind young patient. Told from the perspective of two researchers who spent over 25 years working to develop this breakthrough technology, this short film chronicles their successes and challenges, and illustrates how the method works to treat inherited conditions.

    (Source: DCMP)

  • A large herd of elephants. Caption: It's nice seeing the elephants.

    Scientists are conducting the first census of African savanna elephants in over 40 years. They want to determine how many elephants remain and where they are located. Scientists involved in the “Great Elephant Census” project are conducting aerial surveys across millions of square kilometers to obtain accurate elephant census data.

    (Source: DCMP)

  • Two elephants are standing on the muddy river banks. A third elephant is sitting beside them. Caption: that elephants produce to warn others of nearby predators.

    Elephants can communicate over long distances using low-frequency sounds that travel both in the air and through the ground. Scientists are studying whether elephants can hear and interpret these ground vibrations. Using amplifiers, speakers, geophones, and video cameras, scientists have designed an experiment to test how elephant herds respond to an alarm call when it is played back through the ground.

    (Source: DCMP)

  • A herd of elephants. Caption: Some elephant populations seem to be missing their tusks.

    Working in Gorongosa National Park, Mozambique, Dr. Joyce Poole and colleagues make a striking observation: many female elephants lack tusks. Elephant tusks are important for obtaining food and water, and essential to male elephants for competing for mates. There is a strong natural selection for having tusks; however, Dr. Poole has discovered the proportion of tuskless elephants has increased in some populations. She explains possible reasons for the increase in the number of elephants lacking tusks.

    (Source: DCMP)

  • Illustration of a cell with activity inside. Caption: It changes the function of the cell

    Dr. Ronald Evans reviews how cell receptors called PPARs regulate body weight by controlling fat burning or storage. Part of the 2004 Howard Hughes Holiday Lecture Series.

    (Source: DCMP)

  • Collection of sharp tools made from stone. Caption: Stone-tool technology designed to create sharp edges.

    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.

    (Source: DCMP)

  • A map titled, Uso de la Tierra. The region depicted is divided into three segments. The larger segment is labeled, Cuenca. The group of smaller regio is labeled, Agricultura. The remaining region in between the first two regions is labeled, Bosque. Spanish Caption: Una oportunidad de crear planes de trabajo a largo plazo.

    This video describes how indigenous communities from the tropical rainforest of Darién, Panama, use drones to map their lands. The communities use these maps to protect their territories from outside incursions and to design sustainable land-use plans. The Darién Gap is a remote tropical forest that has been home to indigenous people for thousands of years. As pressures from outside human development encroach on the forest, these communities are protecting their land using a cutting-edge tool: drones. Through a partnership with a nonprofit organization, the Rainforest Foundation, they map their community boundaries to secure land titles, create sustainable land-use plans, and monitor their forests against logging and ranching.

    (Source: DCMP)

  • A painting of cactus along a stream and a mountain range in the background. Caption: A whole ecosystem disruption can come from this barrier.

    Humans construct boundaries around homes, neighborhoods, and nations to bring order to a chaotic world. However, they rarely consider how these boundaries affect the environment or others. Photographer Krista Schlyer and biologist Jon Beckman study how fabricated barriers influence the movement of wildlife. Schlyer and Beckmann have seen the damaging impacts resulting from the wall built along the Mexico-United States border. Humans probably will not stop constructing walls and fences any time soon, but planning the boundaries with wildlife in mind can help prevent these structures from causing environmental harm. Part of the "Think Like a Scientist" series.

    (Source: DCMP)

  • A horse jumps out from the open door in a trailer. Another horse is seen inside the trailer. Caption: and now is undergoing this large scale restoration effort.

    Philanthropist Greg Carr describes his work reviving a national park in Mozambique, and his partnership with scientists at Princeton University. Biologist Rob Pringle, who conducts research in Gorongosa, explains what it means to think like a scientist in conservation biology. Part of the “Think Like a Scientist” series.

    (Source: DCMP)

  • A microscopic view of a leaf. The cells inside the cell membrane are  labeled as Mesophyll cells. The cells lining the lower part of the leaf are labeled, Epidermal cells. Another bundle of cells islabeled, Vascular bundle. Caption: A leaf has many different types of cells.

    Photosynthesis converts light energy from the sun into chemical energy stored in organic compounds, which are used to build the cells of producers and ultimately fuel ecosystems. After providing an overview of photosynthesis, a series of animations describe the inside of the cells of a leaf to explain how the reactions of photosynthesis happen.

    (Source: DCMP)

Collections

3

Showing collections 1 to 3 of 3

  • Vision

    • Image
    • Text Document
    • PDF
    • 2.5D Tactile Graphic
    • Video

    Resources related to vision

    A collection containing 12 resources, curated by Charles LaPierre

  • Anatomy

    • Video
    • Image
    • PDF
    • Text Document
    • 2.5D Tactile Graphic

    Collection of anatomy resources

    A collection containing 21 resources, curated by Benetech

  • Biology

    • Video
    • Image
    • Text Document
    • PDF
    • 2.5D Tactile Graphic
    • 3D Model
    • Audio File

    Biology related concepts

    A collection containing 59 resources, curated by Benetech