The Fungi Classification
A fungus is a member of the kingdom Fungi . The fungi are heterotrophic organisms possessing a chitinous cell wall. The majority of species grow as multicellular filaments called hyphae forming a mycelium; some fungal species also grow as single cells. This interactive web page gives you pictures of specific examples of the fungi classification, along with writen details for most. No run time.
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The Busy Electron

Oxidation and corrosion reactions are explained, and real world solutions to these problems are discussed. The principles of electrochemical cell design are explained through batteries, sensors, and a solar-powered car. New applications of lithium batteries are spurring medical and technological advances.

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Solar Technology

GE researcher Vlatko Vlatkovic discusses solar technology development at GE from the roof of GE's global research center in New York.  It is a solar panel test set up.  He shows a silicone solar cell and explains how the sun hits the cell and is converted to energy.  He explains that the system is still very expensive and not very attractive and how they are trying to produce a more efficient, less expensive, and a better looking u
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The Voltaic Pile
The Voltaic Pile may have been the first successful multi-cell battery. This video presents the history of this important device and explains how they are constructed. If you attempt to construct your own voltaic pile make sure you have adult supervision, someone with knowledge of electrical systems and safety procedures.
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Dolly the cloned sheep
Dolly, an ewe, was the first successfully cloned mammal from an adult cell. Cloning efforts took place at the Roslin Institute in Midlothian, Scotland and was led by Ian Wilmut.This was a major scientific advancement. This two minute video is slow loading.
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DNA Replication Process
THe cell prepares for meosis just as it does for mitosis. Travel inside nucleus to see how the DNA replicates with this computer animated video clip. Run time 01:48.
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How DNA Is Packaged and Copied In The Cell
Animation that shows how 6 ft of DNA is packaged into the tiny nucleus of the cell. The second half of the animation shows how replication occurs. Color animation. Run time 03:17.
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Protein Assembly in a Cell
The video uses computer animation and narration to explain the process of protein synthesis. It shows the process within the context of the cell organelles with a narrative to explain each step. 3:02 min.
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The Central Dogma- From DNA to Protein
3-D color animation that takes you into the cell and shows the detailed processes of transcription and translation. Has sound, but it is not needed, and is somewhat distracting. Subtitles are given to explain what is occurring in the animation. Would be useful as a review for students. 10:46 min.
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Cell Membrane
Detailed view of the cell membrane and how it functions. 3-D color animation with narration. 1:23 min.
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Mitochondria
3-D color animation with narration which shows mitochondria producing ATP in a cell. 1:11 min.
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HIV Replication and Life Cycle
HIV replication is a complex multi-staged process that includes crucial steps taking place on the exterior as well as the interior of the target host cell. The first three steps involved in cell entry are termed attachment, co-receptor binding and fusion. Each step is crucial to successful viral reproduction. Once HIV virus penetrates the cell, it releases its RNA into the cell. Run time 02:29.
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Virus Lytic Cycle
The lytic is the viral reproductive cycle in which a virus takes over all metabolic activities of a cell; replicates many times and destroy its host cell. 3-D animation shows the steps of a lytic infection. Grades 5-12. 1:14 min.
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Virus Lysogenic Cycle
In a lysogenic cycle, viral nucleid acid becomes part of the host cell chromosome and it's replicated with it. Eventually the virus enters a lytic cycle and kills the host cell. 3-D animation takes you through the steps of the lysogenic cycle. Grades 7-12. 1:25 min.
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Photosynthesis, Part 1
This is a short slidecast of the process of photosynthesis that starts with a defintion. A quote from the video: "The primary function of photosynthesis is to produce organic compounds useful to the cell. This is accomplished by using light, carbon dioxide, and water. Overall, photosynthesis converts light energy from the Sun to chemical energy."
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Effect of Electromagnetic Waves
Amazing!  Video shows how to pop popcorn using three cell phones.
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Risk Factors For Squamous Cell Carcinoma -
Doctor identifies risk factors for squamous cell carcinoma, a type of skin cancer. Video explains why certain people are at much higher risk for this deadly cancer. 59 sec.
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Understanding Basal Cell Carcinoma
Video has a doctor explaining what basal cell carcinoma is and who is at risk. Basal cell carcinoma is the most common form of all cancer. Images show what to look for in identifying this cancer. 3:11 min.
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Plate Tectonics - the Movement of Continents

California and Australia used to be neighbors and Brazil was close to or connected to Nigeria. What drives the engine of plate tectonics remains a mystery.

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From Embryo to Duckling
This video segment from NOVA: "The Shape of Things" charts the development of a duck embryo, from its earliest stages just after fertilization, through cell replication and differentiation, to the final stage, emergence from the protection of the eggshell.  Closed captioning included.  Run time 01:19.
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