1. Alternative Heating Solutions - Heat Sustainably

    03:51

    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.

    + More details
    • AP Biology: Ecology Part III

      48:18

      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.

      + More details
      • Arctic Futures Symposium 2011: Interview with Vladimir Romanovsky

        07:26

        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.

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

          07:37

          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

          + More details
          • Biology 01-4 Biogeochemical Cycles

            22:23

            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.

            + More details
            • Biology 05-4 Cellular Respiration

              09:56

              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.

              + More details
              • Biology 05-5 Fermentation

                11:58

                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.

                + More details
                • Biology 03-3 Organic Molecules and Carbohydrates

                  13:09

                  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.

                  + More details
                  • Biology 05-3 Photosynthesis

                    10:11

                    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.

                    + More details
                    • Biology 05-2 Photosynthesis and Respiration Overview

                      11:00

                      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.

                      + More details

                      What are Tags?

                      Tags

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