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The endocrine system maintains the body's delicate chemical balance. Describes the location, function, and effects of the major endocrine glands, and notes their close relationship to the nervous system. Some discussion of diabetes and hormonal imbalances.
(Source: DCMP)
Worldwide, more than 40 million people have Alzheimer’s. Each being stripped of their memories and often their dignity. More than 100 years ago, a doctor identified two possible causes of Alzheimer’s: gooey plaques and fibrous tangles in brain tissue. This documentary investigates both and highlights the key researchers in the field who have helped to develop the leading theories of the disease.
Something is growing inside of fruit flies. At dusk, a fly points its wings straight up and dies in a gruesome pose so that a fungus can ooze out and fire hundreds of reproductive spores. At Harvard, Carolyn Elya is trying to understand how this fungus takes over the fly's brain. Part of the "Deep Look" series.
Presents sensory receptors that depend on contact with the immediate world: taste buds, touch sensors, and olfactory cells. These receptors lie in the skin, the largest organ of the body, which also senses heat, pain, and pressure. Re-creates the complex world of the skin through realistic models and photographs.
Storyteller Heather Forest uses song, pantomime, games, and discussion to introduce young students to the human body. Talks about key body parts and how they move; how the heart, lungs, and brain keep the body running; how the bones, joints, and muscles hold the body up and help it move; and how our senses help us enjoy the world. Introduces principles of healthy eating, daily exercise, and adequate rest.
What are nuclear actin filaments? They are the tiniest first responders that help cells repair damage. Other features in this episode include interventions to help boost coral's resilience to bleaching and chips that help miniature drones navigate. Part of the "4 Awesome Discoveries You Probably Didn't Hear About This Week" series.
Explains why the body needs regular supplies of air and how these get to the body. The camera follows the process of breathing through the ultra-thin membrane of the lung into the blood, showing how the varying demand for oxygen is met by the exchange of information between the brain and the chest muscles and how the body rids itself of carbon dioxide.
Part of the "The Biology Classics" series. Daphnia are small, planktonic crustaceans. Provides a classic study in arthropod behavior and anatomy. Examines the eye, brain, jaws, intestine, legs (with gills), and heart. Identifies two kinds of eggs: those that hatch directly into female daphnia and resistant eggs that carry the species through periods of freezing and drying.
Ancient primate progenitors had bodies a lot like those of modern monkeys and spent tens of millions of years living in trees. From them, humans inherited versatile hands, amazing vision, and capable brains. Part of the “Your Inner Fish” series.
How fast can a flower disperse pollen? Researchers have evidence that the mountain laurel can send pollen flying at speeds up to 8 miles an hour. Other features include the mapping of emotion centers in the brain and the relationship between improved memory and the use of virtual reality. Part of the "4 Awesome Discoveries You Probably Didn't Hear About This Week" series.
The monarch butterfly migration is one of nature’s greatest events. This orange-winged wonder travels up to 4,500 km from all over North America to spend the winter hanging from oyamel fir trees in central Mexico’s mountain forests. But how does an animal with a brain the size of a sesame seed navigate to this one special place? Part of the "It's Okay to Be Smart" series.
His name is HERB (Home Exploring Robot Butler) and he’s a robotic butler designed to open doors, clean tables, and even retrieve slippers. He doesn't look as human as his Japanese counterparts, but HERB has a bigger brain according to its developer Siddhartha Srinivasa at Intel Labs located on the campus of Carnegie Mellon University. With funding from the National Science Foundation, HERB is being programmed to think and function on its own and to navigate unknown environments.
When the nerve cells of squid suffer an injury, something unexpected happens with the tiny pouches of colored pigment, called chromatophores. A MIT scientist discusses this phenomenon, and how it can be used and modeled on the computer with some surprisingly simple rules. Part of the "Science Out Loud" series.
Researchers must be aware of three key areas when conducting psychological research: ethics, socially sensitive research, and ethnocentrism. All research must follow ethical guidelines; however, there may be reasons for breaching those guidelines. Viewers will explore how to address research justification and the use of knowledge and interpretation of findings in a socially sensitive research proposal. They will also note how to be aware of social construction and possible ethnocentric biases.
Part of the "Branches on the Tree of Life" series. Imagine an animal with no mouth, no digestive system, no excretory or circulatory organs, no brain nor nervous system, and no movement as an adult. In spite of their simple nature, sponges are actually one of the most interesting animal phyla when viewed in developmental, ecological, and evolutionary terms. Clarifies the structure, function, classification, and ecological roles of sponges through animations and time-lapse microscopy.
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.
Genetic and neurological research has led to increasingly sophisticated medical capabilities, resulting in a growing number of moral and ethical quandaries. Surveys recent milestones in biology, many of which have produced as much controversy as insight. Reporting on the newly identified anti-aging gene SIR2 and the cross-species implantation of stem cells, it also inquires into artificial limb technology, the dynamics of the teenage brain, and the storage of environmental toxins in the human body. A visit to the American Bible Belt, including Kentucky's Creationist Museum, highlights the ongoing debate over human origins.
Touch, taste, smell, hearing, and sight: the human body's five major senses. They are senses that have evolved independently over millions of years but are brought together by our marvelous central nervous system into the most refined way of interacting with the environment of any species on the planet. Join Dr. Mark Reisman as he provides you with a look at the anatomy and physiology of each of these sensory systems and shows how the brain uses them to produce what we call being human.
The sea is full of incredible creatures. Some have backbones, while others have no bones. Some are animals that look like plants, and others are animals that have no brains. Students will explore the world under the see and learn about marine life. Based on the children's book by Bob Barner.
Kathy Blake is blind but two years ago she got a glimmer of hope. She heard about an artificial retina being developed by a company called Second Sight and the Doheny Eye Institute in Los Angeles. It was experimental, but Kathy was the perfect candidate. With funding from the National Science Foundation, a camera is built into a pair of glasses, sending radio signals to a tiny chip in the back of the retina. The chip, small enough to fit on a fingertip, is implanted surgically and stimulates nerves that lead to the vision center of the brain.
Showing collections 1 to 3 of 3
Collection of anatomy resources
A collection containing 21 resources, curated by Benetech
Biology related concepts
A collection containing 59 resources, curated by Benetech
Resources related to vision
A collection containing 12 resources, curated by Charles LaPierre
