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Interviews with professionals and patients provide information on polluted air inside and outside, how it is caused, and what can be done about it. They also relate effects of breathing in polluted air, including asthma, emphysema, and chronic obstructive pulmonary disease and their treatments.
(Source: DCMP)
It's likely one day there will be robots crawling around that look a lot like caterpillars. With funding from the National Science Foundation, Tufts Biology Professor Barry Trimmer is researching the neuromechanics of caterpillars. The applications for this research include the development of soft-bodied robots for use in medicine, environmental safety, industry, and defense.
Explores how eyes work and how eyes help us understand the world. Explains how safe behaviors and healthy habits can prevent illness and injury to eyes. Discusses what to expect from an eye examination and other eye tests. Talks about how visually impaired children walk with a white cane and read Braille.
California’s Lava Beds National Monument is a land of turmoil, both geological and historical. Over the last half-million years, volcanic eruptions on the Medicine Lake shield volcano have created a rugged landscape dotted with diverse volcanic features. The monument is also home to more than 700 caves, Native American rock art sites, and historic battlefields from America’s Native American wars.
The technological revolution is progressing every day at a faster pace. Virtual reality is no longer enough, now augmented reality is necessary. But what is augmented reality? Well, it's the option to view objects in 3D and at the same time as a real image with just a helmet, goggles and a special computer program. Currently it is being used for video games, architectural drawings, artwork and even medicine.
There are only a few procedures that can detect very early signs of cancer. Those that do are often invasive, expensive, and uncomfortable. With support from the National Science Foundation, Vadim Backman of Northwestern University is developing technology that makes detecting cancer earlier. He’s doing it by shedding light on cancer cell development at the nanoscale level.
The human brain is wired to perceive patterns and structure in surrounding environments. Young children especially need structure to feel secure. Yet the developing brain is also continuously seeking new information. Discover how to give young children the structure they need to establish a strong foundation for continual learning. Part of "The Brain" series.
Originally, soft drinks were sold as medicine and contained ingredients that are now illegal. Today, soft drinks are tamer in content and better understood as merely a refreshing beverage. This episode explains how they are made and the effects they have on the body once consumed. Part of the "Science to Go With Dr. Joe Schwarcz" series.
The immune system has a tough job keeping human bodies free of harmful microbes. Humans come in contact with germs and bacteria every day, and the immune system is challenged to protect the body. Explores how the human body goes to battle against germs in order to keep people healthy and how sometimes the immune system requires assistance.
The human brain is often compared to a computer, but this three-pound organ is far more complex, powerful, and capable than the most advanced computer. Everything we do, are, think, and feel begins with the brain. Defines the parts and functions of a brain cell, explores how the brain works, and mentions brain chemicals.
Anthony Marr champions the cause of the endangered Bengal tiger, focusing on 40 tigers at an Indian national park. From 100,000 animals in 1900 to less than 5,000 today, the tigers face extinction from lack of space, poachers, desire for folk medicine, apathy, and ignorance. Shows tigers hunting, eating, resting, and with new cubs. Photography supports facts about this most exotic and revered predator. NOTE: One brief mating scene.
Explores how ears work and how ears help us communicate with the world. Explains common ear problems, including blockage, infection, and hearing impairment. Discusses symptoms of these conditions and introduces doctor's diagnostic tools. Emphasizes healthy habits and stresses not to put anything in your ears smaller than your elbow. Talks about how children with hearing loss communicate and learn.
Why is there such an alarming increase in the number of children with food allergies? More than three times as many children have food allergies now than twenty years ago. And one out of every three children is now allergic to something, be it food, animals, or plants. In searching for a fix, scientists are upending the conventional wisdom about what causes allergies and how to deal with them.
Step into the future of medicine with a look at the surgical robotics being developed at the Johns Hopkins Engineering Research Center for Computer-Integrated Surgical Systems and Technology. Here, engineers are designing less invasive surgical techniques and robots that a decade ago may have seemed like science fiction. Many of these techniques are leading to significantly quicker and less painful recoveries while giving surgeons more flexibility than ever before.
Most people view antibiotics as miracle drugs. They can get rid of a whole range of infections. But because they are prescribed for so many different ailments, they are easy to overuse. The medical community is now at a crisis point because many of them simply don’t work anymore. Scientists are hunting urgently for new antibiotics--a challenge that is taking them to some remote and unusual places.
A giant video screen that takes up an entire wall, floor to ceiling, is allowing scientists to see details they've never seen before. Developed at Tufts University with help from the National Science Foundation, the Visualization Wall has a variety of applications. The "VisWall" offers a surgeon the opportunity to teach and practice surgical procedures on avatar renditions of the human body.
Speech, your means of communication, is the medium for exchanging ideas and expressing both pleasure and pain. Examines the physiology of speech by looking at humans' vocal tracts. Shows how the larynx, vocal chords, wind pipe, tongue, and lips produce the sounds of speech. Also, looks at the ability to understand speech by explaining why your ears and brain can discern the subtle nuances of rapid sounds.
Peoples’ attitudes about marijuana have changed dramatically over the years, but one thing is certain--marijuana changes the way the brain functions. The THC in marijuana enters the lungs, is absorbed into the bloodstream, and enters the brain almost immediately. Viewers will understand the immediate effects of marijuana use on various body systems. This program also discusses the effects of marijuana on attention, memory, and learning. Part of the "Talk It Out" series.
In 1928, a physician named Alexander Fleming observed that a mold in one of his Petri dishes was killing the bacteria he was trying to grow. This strain of mold led to one of the most significant medical discoveries in history: the antibiotic penicillin. Antibiotics soon became lifesavers. However, even back then, Fleming knew that bacteria could become resistant to penicillin. This video describes how widespread use of antibiotics in medicine, agriculture, and household products can lead to the evolution of microbes that are resistant to multiple antibiotics. Part of the "I Contain Multitudes" series.
While it is relatively straightforward to build a box on the macroscale, it is much more challenging at smaller micro and nanometer length scales. At those sizes, 3D structures are too small to be assembled by any machine and they must be guided to assemble on their own. With support from the National Science Foundation, Brown University mathematician Govind Menon and Johns Hopkins University chemical and biomolecular engineer David Gracias are developing self-assembling 3-D micro and nanostructures which can be used in a number of applications, including medicine.
Showing collections 1 to 4 of 4
Biology related concepts
A collection containing 59 resources, curated by Benetech
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A collection containing 12 resources, curated by Charles LaPierre
Resources to teach younger students about animals
A collection containing 58 resources, curated by DIAGRAM Center
A collection of Chemistry related resources
A collection containing 67 resources, curated by Benetech
