1. Alternative Heating Solutions - Heat Sustainably


    from George Whiting / Added

    128 Plays / / 0 Comments

    Heating with fossil fuels has been the only option for most consumers in North America,... until now.

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    • AP Biology: Ecology Part III


      from Carolene M Leibl / Added

      353 Plays / / 0 Comments

      Robert Dennison narrates this presentation. There is a great deal of ecology on the AP Biology Exam. This is the final in a series of three presentations on that important field of biology. Part III completes focuses on ecosystem ecology.

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      • Arctic Futures Symposium 2011: Interview with Vladimir Romanovsky


        from International Polar Foundation / Added

        30 Plays / / 0 Comments

        Vladimir Romanovsky is a Professor of Geophysics at the Permafrost Laboratory at the Geophysical Institute at the University of Alaska Fairbanks. Prof. Romanovsky gives a brief overview of how permafrost is warming and the consequences on infrastructure and the carbon cycle as well as the importance of the IPY ‘Thermal State of Permafrost’ research project in providing new data sets.

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        • Biocarbon: Mobilizing the Power of Nature to Help Restore Our Climate


          from Rachel Lodge / Added

          9 Plays / / 0 Comments

          This is a simple visual story about the causes of global warming and how we can help to restore our climate by increasing carbon storage in the natural environment (biocarbon). I created it to help Climate Solutions, a nonprofit organization in Seattle, promote biocarbon solutions in the Pacific Northwest. Story, images, and animation design by Rachel Lodge Content by Rachel Lodge, Jenna Garmon, and Climate Solutions Additional animation and editing by Damien Oramas and Ryan Quinn

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          • Biology 01-4 Biogeochemical Cycles


            from Sam Holloway / Added

            867 Plays / / 0 Comments

            This video covers 4 important biogeochemical cycles - the water cycle, the carbon cycle, the nitrogen cycle, and the phosphorus cycle, as well as how the flow of energy through an ecosystem differs from the flow of matter through an ecosystem.

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            • Biology 05-4 Cellular Respiration


              from Sam Holloway / Added

              170 Plays / / 1 Comment

              This video explains the steps in cellular respiration leading to the production of ATP - glycolysis, the Krebs Cycle, and electron transport.

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              • Biology 05-5 Fermentation


                from Sam Holloway / Added

                142 Plays / / 1 Comment

                This video describes the process of anaerobic respiration, or fermentation, as well as how humans have learned to use these processes in order to make food and beverages.

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                • Biology 03-3 Organic Molecules and Carbohydrates


                  from Sam Holloway / Added

                  138 Plays / / 0 Comments

                  This video introduces the concept of an organic molecule, and talks about the properties of carbon atoms that make it possible for carbon to form large, complex molecules. This video also introduces the concept of monomers and polymers, as well as the structure and function of carbohydrates.

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                  • Biology 05-3 Photosynthesis


                    from Sam Holloway / Added

                    193 Plays / / 2 Comments

                    This video explains the steps in the light-dependent reactions of photosynthesis, as well as the Calvin Cycle, or light-independent reactions.

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                    • Biology 05-2 Photosynthesis and Respiration Overview


                      from Sam Holloway / Added

                      140 Plays / / 0 Comments

                      This video is an introduction to photosynthesis and respiration, describing the relationship between these two important chemical reactions and how they support life on Earth.

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                      What are Tags?


                      Tags are keywords that describe videos. For example, a video of your Hawaiian vacation might be tagged with "Hawaii," "beach," "surfing," and "sunburn."