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Cell Division: Mitosis and Cytokinesis
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…
Diatoms: life in glass houses
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…
Remarkable Plants: The Volvocales and Chlorococcales
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,…
Living Cells: Structure, Function, Diversity
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…
Remarkable Plants: The Oedogoniales
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 Dynamics and Mechanics of Mitosis
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…
Superlife: Genetic Manipulation
Designing Life. Man has been doing it for over 10,000 years. You may not be aware of it, but we are surrounded by "Superlife," life-forms manipulated by Man. Superlife looks at the stories of how these super organisms came to permeate our planet, and how the latest science is pushing…
The Secret Life of Leaves
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…
The Secret Life of Flowers
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…
The Secret Life of Mosses
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…
Genetics & DNA – The Genetic Theories of Aging
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…
Biotechnology: Cleaning Up with Microbes
Part of the Series: Show Me Science Series - Advanced
As achievements in engineering and manufacturing move us toward 21st Century lifestyles, problems emerge as a result of these processes. Moreover, cleanup concerns plague us as a legacy of the industrial revolution. This program focuses on an innovative yet natural solution science proposes for the cleanup of polluting by-products. Discover…