Catalog Search Results
81) Surgery: history
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Today, most surgical procedures are safe, even routine. It wasn't always that way. By looking at the obstacles of pain, infection, and shock, this program chronicles the milestones and pioneers of modern surgery, tracing the development of anesthesia, antiseptics, antibiotics, and transfusions. To illustrate just how far the field has come, the intricacies of heart bypass surgery are presented in close detail. Numerous case studies are also used to...
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This program investigates how mechanical technology is being adapted for use with the human body to treat disease and injury. Cyborg technology offers the possibility of melding injured bodies and machines, enhancing mobility for paraplegics and quadraplegics through thought-activated devices. Nanotechnology holds out the hope of using microscopic machines to combat internal illnesses such as cancer. And 3-D imaging technology, an essential tool for...
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Biogeneticists are engineering new yeasts and fungi as well as entirely new growing methods, and in the process are giving a new definition to the word "natural." If yeasts and fungi can turn decaying wood into sugar, why should humans not be able to grow ethanol cheaply and efficiently? This program follows the course of the research into the artificial culture of natural trees, as well as new methods of accelerating plant propagation and growth....
84) The Gene machine
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Expanding on the subject of DNA, this intro-level program explores the central processes that govern the continuation of all life. Beginning with a discussion of Watson and Crick's pivotal 1953 paper describing the structure of DNA and its possible role in heredity, the program describes Crick's collaboration with Sydney Brenner in solving the DNA-to-protein puzzle and the role of RNA in protein synthesis. Mutagenic agents, restriction enzymes and...
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In this episode, host John Watt discovers what advances in science and technology are doing to assist unwell and elderly citizens in New Zealand. Ever Wondered? sheds light on an amazing technicolor breakthrough led by a father-and-son team from Christchurch and on a flow cytometry suite in Wellington, where lasers are used to excite fluorescent dyes in a quest to develop immune-based therapies for the treatment of a host of diseases. Back in Auckland,...
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In this program students are provided with a sound introduction to three key research methods used in conducting investigations into health. Questionnaire-based surveys are examined, with detailed explanations of instrument design and administration of survey studies. The video then looks at research studies based on interviews, with a helpful analysis of the advantages and disadvantages of this technique. Finally, observational research-both open...
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Left untreated, alpha-1 antitrypsin deficiency can seriously, even fatally, damage the liver and lungs. This program enables viewers to understand the incurable disorder and how it can be identified and treated. Computer-generated animation shows how AAT, a protein that facilitates lung function, can back up in the liver and never reach the lungs. Three case studies, including one featuring a lung transplant patient, help to explain AATD's causes,...
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The search for a magic bullet against cancer and AIDS is leading to recombinant technology-to explain the nature of the disease problem, help the body's immune system destroy the invader, and accelerate recovery from treatment. As more diseases are being nearly wiped out, more disease-resistant bacteria and viruses are turning up. Vaccine developers are using genetically-engineered vaccines to create more effective vaccines that are cheaper to grow...
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Nothing can replace the skills of good doctors and nurses, but without digital technology and advanced electronic systems, the field of medicine would soon collapse. X-Rays, ultrasounds, CT scans, and MRI and PET imaging all use electronics to map different aspects of the human body and convert the information into a visual format. This program visits one of the world's leading research centers in medical imaging and explores the ins and outs of electronic...
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"If you come to one of our hospitals missing a limb, no one will believe you till they get a CAT scan, MRI, or orthopedic consult," jokes Stanford professor Abraham Verghese. In this TEDTalk, Verghese calls for a return to the traditional one-on-one physical exam, arguing that ordering tests instead of talking to and examining the patient may mean overlooking a problematic condition that can be treated sooner rather than later. But beyond the clinical...
91) Bionic Body
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Could lab-grown organs and body parts one day become a common solution for eliminating disease and rejuvenating the body? This classic episode of Scientific American Frontiers examines methods for re-engineering human anatomy, including not only artificial organ cultivation and retinal implants but also advances in nerve regeneration to treat spinal cord injuries. Host Alan Alda looks at nerve stimulation in paralysis victims using implanted electrodes....
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It can affect anyone, from night clerk to Nobel laureate. Physicians have identified more than 70 potential causes of irreversible mental deficiency, or dementia-which most often takes the form of Alzheimer's disease-and worldwide data indicate that its occurrence is on an upward trend. This program spotlights promising medical trials aimed at halting the mental and physiological tragedy of dementia. Linking the disease to organic neuronal damage,...
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In this episode of the U.S. Army's The Big Picture television series, viewers will learn about work of the Army Medical Research and Development Center. Footage provided by the National Archives and Records Administration shows the doctors and scientists who continue their endless search for new methods and drugs, which would prevent and cure sickness and disease. This historical video shows viewers how they developed equipment to support the Army...
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Prolonged exposure to asbestos-or, in some cases, even moderate contact-can lead to a devastating cancer called mesothelioma. This program examines the specific causes of the disease while presenting case studies involving a variety of patient experiences. Viewers learn how mesothelioma occurs when malignant cells form in the protective sac, or mesothelium, covering many internal organs. Dr. Harvey Paas of the NYU Langone Medical Center and Dr. John...
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No drug or medicine has ever been proven safe and effective without a clinical trial. This program demonstrates the vital role of clinical trials in current cancer research, and explains why many medical experts view the clinical trial system as the basis for curing all forms of cancer-or turning it into a manageable disease that patients can live with. Personal testimony from trial participants who have survived lung, breast, and other types of cancer...
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The waiting list of organ recipients-80,000 people in America alone-is testimony to the spectacular success of transplant surgery. This program presents a history of this emerging field of medicine, highlighting breakthroughs in surgical procedures and related drugs, as well as looking at how cutting-edge technologies will change its future. Cameras go inside the operating room to show several different procedures, with detailed coverage of a father-daughter...
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This 2010 Falling Walls video lecture features Professor Yael Hanein, who is "on her way to building a nanotechnology model of the human brain that could reveal the essence of thought processes" (Tel Aviv University). Hanein's research focuses on the restoration of vision affected by retinal degeneration. Named Outstanding Young Scientist at Summer Davos of the InterAcademy Panel/World Economic Forum in 2009, Hanein is not only the vice president...
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It can turn a hard-driving, energetic person into a walking zombie-exhausted, confused, and unable to work. This program sheds light on the mysterious illness known as Chronic Fatigue Syndrome, which has no known cause or cure. Case studies feature a former congressional worker who eventually found it impossible to perform her duties on Capitol Hill, and a clinical psychologist whose personal experience with CFS has helped others suffering from this...
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With a 90 percent match between the mouse and human genomes, mice are helping researchers to better understand the human brain. In this NewsHour program, Microsoft cofounder Paul Allen-founder of the Allen Institute for Brain Science-and the Institute's chief scientific officer talk about the Allen Brain Atlas, an interactive 3-D map of gene expression in the mouse brain. Together with scientist Dave Anderson of Caltech, they discuss the concepts...
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Drugs that can cure cardiovascular disease, rather than simply slowing cholesterol buildup, are currently in development. This program examines the history of anti-cholesterol drug production, as well as current biochemical research that might lead to the eradication of heart attacks and strokes. Describing scientific studies of isolated populations-most notably the inhabitants of Limone, Italy, where a genetic mutation has produced a natural cure...