Catalog Search Results
Publisher
Cytographics
Pub. Date
2004.
Physical Desc
1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Language
English
Description
The Oedogoniales are remarkable filamentous green algae. Their method of cell elongation is unique, utilizing a donut-shaped ring of soft wall material which is stretched to form the new daughter cell. While Oedogonium is a simple filament, the related Bulbochaete and Oedocladium are branched and Bulbochaete differentiates long hair cells. The zoospore is large and multiflagellated. Sexual reproduction is oogamous and either “macrandrous” or “nannandrous.”...
Publisher
Lawrence Jensen
Pub. Date
2002.
Physical Desc
1 online resource (streaming video file) (51 minutes): digital, .flv file, sound
Language
English
Description
Combining images of living plant stages with computer simulations allows you to easily bridge the gap between the familiar plant and the micro-environment contained within it. Three dimensional animations take you inside the pollen cone and the seed cone to see reproductive structures such as sporangia, gametophytes and the archegonia. Witness dynamic events such as pollination, gametophyte formation, fertilization, embryo formation and seed germination.....
Publisher
Lawrence Jensen
Pub. Date
2002.
Physical Desc
1 online resource (streaming video file) (38 minutes): digital, .flv file, sound
Language
English
Description
Combining images of living plant stages with computer simulations allows you to easily bridge the gap between the familiar plant and the micro-environment contained within it. Three dimensional animations take you in and around reproductive structures such as the sorus, sporangium, and antheridium and archegonium. You see dynamic events such as spore formation, spore release, prothallus formation, sperm release, fertilization and embryo growth..
Publisher
Lawrence Jensen
Pub. Date
2002.
Physical Desc
1 online resource (streaming video file) (58 minutes): digital, .flv file, sound
Language
English
Description
Combining images of living plant stages with computer simulations allows you to easily bridge the gap between the familiar plant and the micro-environment contained within it. Three dimensional animations take you inside the flower to witness dynamic events such as pollination, gametophyte formation, fertilization, embryo formation and fruit formation are seen as spectacular computer simulations..
Publisher
Cytographics
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (129 minutes): digital, .flv file, sound
Language
English
Description
For convenience, biologists divide living organisms into five “Kingdoms”: the Monerans (bacteria and cyanobacteria), Protists, Fungi, Plants, and Animals. The Kingdom Protista includes a vast array of tiny eukaryotic cells that lead complex and extraordinary lives far from the eyes of most humans; a dedication to microscopy is vital to see them in all their splendor. This video is a unique resource introducing the viewer to a considerable range...
Publisher
Cytographics
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (76 minutes): digital, .flv file, sound
Language
English
Description
Living Cells features greatly expanded coverage of subject matter and extensive additional footage when compared to the original video tape of 1992. The vivid, high-magnification images introduce students to a variety of cells, cellular activities, and subcellular organelles. The video is organized into 24 chapters on specific topics such as actin, microtubules, and flagella.. The Living Cells video offers a most convenient way of accessing beautiful...
Publisher
Cytographics
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (75 minutes): digital, .flv file, sound
Language
English
Description
The Volvocales and Chlorococcales share a common ancestry from a cell type exemplified by Chlamydomonas. Using live cells, this video shows how simple evolutionary trends working on Chlamydomonad ancestors have generated diversity and complexity.. In Volvocalean evolution, unicellular ancestors became multicellular (e.g., Volvox) by daughter cells adhering after division. Concurrently, they evolved various advanced characters (e.g., differentiation...
Publisher
Cytographics
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (20 minutes): digital, .flv file, sound
Language
English
Description
An inspiring and challenging 20 minute video for high school or university biology students. This video starts by emphasizing the central importance of cells in life, and that living cells can only arise from other living cells by cell division. After distinguishing mitosis (nuclear division) from cytokinesis (cell division), several animal cells are shown undergoing mitosis and a 3D animation shows how the mitotic spindle is assembled. Chromosomes...
Publisher
Cytographics
Pub. Date
2000.
Physical Desc
1 online resource (streaming video file) (21 minutes): digital, .flv file, sound
Language
English
Description
Reproduction in the red algae is unique. No flagellated stages are ever formed, and it is generally assumed that the various reproductive spores are inert. This video demonstrates that spores in many species are actively motile, either by gliding or amoeboid activity. This limited power of movement may turn out to be of considerable significance in survival strategies (e.g. dispersion, optimization of a germination site).. Sexual reproduction is also...
Publisher
Lawrence Jensen
Pub. Date
2002.
Physical Desc
1 online resource (streaming video file) (32 minutes): digital, .flv file, sound
Language
English
Description
Combining images of living plant stages with computer simulations allows you to easily bridge the gap between the familiar plant and the micro-environment contained within it. Computer animations take you inside a clump of moss plants to illustrate external structure. You are then transported inside the tips of male and female stems where gametangia (sex organs), sperm release, fertilization and embryo development are illustrated..
Publisher
Cytographics
Pub. Date
2003.
Physical Desc
1 online resource (streaming video file) (59 minutes): digital, .flv file, sound
Language
English
Description
Diatoms are an extraordinarily successful group of organisms and their many thousands of species have diversified and specialized so as to occupy every environmental niche. Part of their success derives from their unique protective cell walls, beautifully elaborate structures made of pure silica. However, living inside walls made of this rigid, refractory material creates many problems. Just how diatoms circumvent these problems provides the major...
Publisher
Lawrence Jensen
Pub. Date
2002.
Physical Desc
1 online resource (streaming video file) (13 minutes): digital, .flv file, sound
Language
English
Description
Three dimensional animations, supported by aurthoritative narrations, explore the leaf surface and explain the functioning of the guard cells. The viewer is then taken inside the leaf to see the photosynthesis and conducting cells. Witness the dynamic events of guard cell movements, gas exchange and the transport of water and sugars. Animations also illustrate the forms of leaves and how they are modified for dry and aquatic habitats..
Publisher
Cytographics
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (61 minutes): digital, .flv file, sound
Language
English
Description
Mitosis requires cells to organize numerous jumbled chromosomes and then separate them with absolute fidelity into two equal groups. How this extraordinary process is accomplished is still poorly understood.. This video reveals the events of mitosis at a level of detail usually seen only in research laboratories. In addition, two Appendices show mitosis in a classical system, the diatom cell, and some experiments on living cells that illustrate why...
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (29 minutes): digital, .flv file, sound
Language
English
Description
See how the cognitive changes of aging relate to the biological changes discussed in the previous lectures. It turns out that regions of the brain associated with processing speed, executive function, and episodic memory are more susceptible to aging, which may explain why these cognitive functions are particularly susceptible to decline.
15) Emotional Aging
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (31 minutes): digital, .flv file, sound
Language
English
Description
See what scientific research shows about our evolving emotional landscape, and why older people tend to be happier than the young. Depression can still be a problem for older adults, though—consider the most common causes, discover how symptoms may differ from those of younger people, and learn to match the treatment to the situation.
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (30 minutes): digital, .flv file, sound
Language
English
Description
Scientists debate whether aging is actually a disease, but the effects of aging indisputably resemble the symptoms of a disease. Here, examine three major mechanisms behind these effects: energy consumption, free radicals, and damage to our DNA. Then consider whether there could be a way to "cure"these effects.
17) BLAST!
Publisher
Devlin Pix
Pub. Date
2017.
Physical Desc
1 online resource (streaming video file) (131 minutes): digital, .flv file, sound
Language
English
Description
This film explores both the heartbreak and the glory of trying to unravel the secrets of outer space. Mark Devlin, PhD (the filmmaker’s brother) launches revolutionary telescopes on NASA high-altitude balloons. Dangerous, but necessary if he wants to look back in time and reveal a hidden Universe of never-before-seen galaxies. ..BLAST! follows Mark and his team on their grueling journey across 5 continents, from Arctic Sweden to Antarctica, as they...
Publisher
Green Planet Films
Pub. Date
2015.
Physical Desc
1 online resource (streaming video file) (40 minutes): digital, .flv file, sound
Language
English
Description
A Kid for the Wild is a playlist of 11 ecology music videos created by Judy Lehmberg, a former college biology, zoology and botany teacher, now filmmaker. The majority of songs are by the late Walkin' Jim Stoltz, a singer songwriter, poet, photographer, painter and long distance hiker from Big Sky and Helena, Montana. Jim hiked over 28,000 miles through the wilderness of North America – a true mountain man who experienced the wonder and wisdom of...
Publisher
Green Planet Films
Pub. Date
2015.
Physical Desc
1 online resource (streaming video file) (28 minutes): digital, .flv file, sound
Language
English
Description
The film explains the biological logic behind the altruism behavior, through the extraordinary research of Prof. Amotz Zahavi on cooperative breeding birds in the Israeli desert: the Arabian Babbler birds..
20) The Aging Brain
Publisher
The Great Courses
Pub. Date
2016.
Physical Desc
1 online resource (streaming video file) (0 minutes): digital, .flv file, sound
Language
English
Description
We’re all getting older every day, and scientific research has shown that starting in our twenties, some brain functions begin a linear decline. But is old age all doom and gloom?..Not at all! While it’s true that some functions in the aging brain decline, neuroscientists have discovered that many other brain functions remain stable - or even improve - as we age. Furthermore, nurture plays as significant a role as nature, and there are a number...
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