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In the next hundred years, medicine will change dramatically because of advances in technology and science. The new millennium is expected to bring in an age of less suffering, better health and longer life. Some scientists are predicting cures for cancer, heart disease and other diseases. Advances in engineering, chemistry and physics could change the way illnesses are diagnosed, treated and prevented. This program examines what lies ahead for medicine and health in the new millennium.
We can remember the smell of an apple or a math formula. All these memories are stored in the three-pound organ inside our skull called the brain. This program looks at how memories are made - how we remember things and how the human brain makes sense of all the information constantly flowing into it and stored in it. Scientists believe that memories are broken up and stored in complex networks of brain cells and put back together when they are recalled. Discover how learning is linked to memory and how the sense of smell may enhance learning.
There are over 42 million people worldwide who suffer from total or partial loss of vision and are defined as being blind. This program explains how the human eye works, examines some of the major causes of blindness and shows how medical science and technology are helping people with impaired vision lead satisfying and productive lives. New surgical procedures and advanced image processing technologies are also presented in this program.
The face is our window to the world. Organs of the mouth take in food, start the digestive process and protect us from various hazards. The face is also used to communicate through expressions and other non-verbal signals that give people information about us. This program describes the anatomy and functions of different aspects of the face and mouth and what scientists have learned about universal beliefs related to facial symmetry.
The relationship between our skeletal and muscular systems allows our body to stand and move. This program looks at the human body in motion. It explains the composition of our muscles and bones and it illustrates how they interact to create movement. Discover how researchers use this knowledge to improve athletic performance and to develop new and improved technologies by adapting elements of the bodys mechanics.
This program looks at how our bodies acquire and process energy for everyday life. Explore two different physiological systems that work together in order to keep our bodies running efficiently. Students will learn how our respiratory system processes oxygen and how oxygen is used within our bodies. Well also learn about the circulatory system and how it transports oxygen throughout our bodies.
Eyes are one of the most overworked organs. We depend on our eyesight daily and often dont realize how much until something goes wrong. Vision impairments can be the result of heredity or trauma to the eye. Routine eye exams can detect and help prevent further loss of vision. The most common of vision impairments can easily be corrected with eyeglasses, contact lenses and now surgery. Through research, scientists are discovering new ways to improve and restore vision.
The human brain is often compared to a computer. Both receive input, process information and produce output. However the three-pound organ inside your head is far more complex, powerful and capable than even the most advanced computer. This program makes the comparison to show students what is known - and what researchers have yet to discover - about how our brains process and store information. Students will learn how the brain uses chemical messengers to control the body and some ways scientists are learning more about our amazing brains!
The skin is the largest human organ. Take a close look at the epidermis, which provides the first line of defense against the outside world and delves into the mysteries of the dermis - the inner skin. Discover how the body fights off infections and the damaging effects of the sun.
Plasma and red blood cells transport essential nutrients through the circulatory system, while different types of blood cells fight off bacteria and viruses to help keep us healthy. This program explores the composition of blood and looks at the heart and circulatory system. It features animated graphics that demonstrate the pumping of the heart, how red blood cells carry oxygen to the cells and remove carbon dioxide and how white blood cells protect the body.
The extraordinary complexity and power of the human brain gives each of us the capability to do things other creatures cannot, such as read and write. This program introduces brain physiology and function and explains what makes the human brain so exceptional. It shows how brains have advanced in complexity from the arrangement of a few nerve cells in the earliest and simplest creatures to the complexity of the mammalian brain.
No organism lives forever. The length of time animals and humans live is influenced by their genes. Scientists have made astonishing discoveries concerning the role of genetics in determining life span and this holds promise of extending the lives of animals and humans. This program explains Genetics, DNA and genetic theories of aging. It illustrates the genetic processes behind cellular aging and shows how genes affect life span. Discover the reasons why cells age and why a certain enzyme can effectively turn back the hands of our "biological clock."