Bozeman Science
Agriculture
In this video Paul Andersen describes the pros and cons of industrial agriculture including: monocropping, irrigation, and the use of pesticides, fertilizers, and GMOs.
Bozeman Science
Energy Concepts
In this video Paul Andersen explains the different forms and units for energy. A discussion of the laws of thermodynamics is also included. Sample conversion problems using dimensional analysis is also included.
Bozeman Science
Land Use
In this video Paul Andersen explains how land is developed for human use. Urbanization has occurred through the last century as people have moved to cities in large numbers. Transportation and the arrival of the car have led to urban...
Bozeman Science
Renewable Energy
In this video Paul Andersen discusses the technology, advantages and disadvantages of six sources of renewable energy; biomass, hydroelectric, solar, geothermal wind, and hydrogen. He also explains how changes in the storage and flow of...
Bozeman Science
Health Impacts of Pollution
In this video Paul Andersen explains how chemicals can cause both chronic and acute diseases. A discussion of the five main types of toxins; neurotoxins, carcinogens, teratogens, endocrine disruptors, and allergens is including. The LD50...
Bozeman Science
Hydroelectric Power
In this video Paul Andersen explains how energy can be harnessed was water moves through a turbine. Three types of systems are discussed in the video; run-of-the-water, impoundment, and tidal. Several advantages and disadvantages of dams...
Bozeman Science
Natural Ecosystem Change
In this video Paul Andersen explains how the Earth's climate will natural change due to interactions between the Sun and Earth, volcanism, and plate tectonics. Species may go extinct leading to adaptive radiation or may move to a...
Bozeman Science
Energy Reduction
The best form of energy available to the world is energy reduction. In this video Paul Andersen explains how energy conservation and energy efficiency and be used to decrease energy during peak demand. Tiered and variable pricing, as...
Bozeman Science
Human Population Impacts
In this video Paul Andersen talks about the impacts of human growth on the environment and on themselves. The population, affluence, and destructive technology of a population impact the environment according to the IPAT equation. An...
Bozeman Science
Energy Consumption
In this video Paul Andersen explains how humans have consumed energy through history and may consume energy in the future. Sources of energy have included food, animals, wood, wind, coal, oil, and natural gas. However non-renewable...
Bozeman Science
Environmental Matter Exchange
Paul Andersen explains how living organisms exchange matter with the environment. The importance of the surface area to volume ratio is emphasized using a simple mathematical model. The essential chemicals for life; water, carbon,...
Bozeman Science
Cellular Specialization
In this podcast Paul Andersen explains how cells differentiate to become tissue specific. He also explains the role of transcription factors in gene regulation. The location of a cell within the blastula ultimately determines its fate....
Curated Video
The Birth of Epigenetics: the Agouti Mouse Study
Could you really be what your mother ate? A groundbreaking experiment by Jirtle & Waterland provided the first scientific evidence of the influence of maternal diet on offspring health. It was not only the first demonstrated of foetal...
Bozeman Science
Biotic and Abiotic Factors
Paul Andersen differentiates between biotic and abiotic factors. He explains how both abiotic and biotic factors can affect organisms at the level of the cell, the population and even the ecosystem. The complexities of biofilms,...
Real Engineering
Carbon Capture - Humanity's Last Hope?
Get 2 months of Skillshare for FREE using this link: https://skl.sh/realengineering21 New vlog channel: https://www.youtube.com/channel/UCMet4qY3027v8KjpaDtDx-g Patreon: https://www.patreon.com/user?u=2825050&ty=h Facebook:...
Howard Hughes Medical Institute
How We Get Our Skin Color
Is our skin color determined only by genetics? Explore skin science through a video and related interactive. Young biologists discover the cells of the epidermis, how melanin is made, and the factors that influence the outward appearance...
Khan Academy
Natural Selection and the Owl Butterfly
The lecturer describes how certain characteristics develop. In this case, he discusses eye marking. The impact of environmental factors plays a huge role in the probability of successful reproduction and the fact that favorable genes...
Khan Academy
Variation in a Species
If there are no extenuating environmental factors to ensure competition in a species, then variation is achieved by random mutation. This resource may be more useful after viewers are introduced to the concepts of alleles and the...
Educreations
Le Chatelier's Principle
Equilibrium reactions are able to reach a steady state of products and reactants, but what happens when this careful balance is disturbed? With the help of this instructional video, young chemists learn to apply Le Chatelier's principle...
Howard Hughes Medical Institute
The Making of the Fittest: Got Lactase? The Co-evolution of Genes and Culture
Got milk? Only two cultures have had it long enough to develop the tolerance of lactose as an adult. Learn how the responsible genes evolved along with the cultures that have been consuming milk. This rich film is supplied with a few...
Howard Hughes Medical Institute
Dengue Virus Life Cycle
Dengue Virus leads to the deaths of around 25,000 people, mostly children, every year. Scientists understand how the virus gets into cells and replicates, but they still struggle to prevent it. Curious scholars view an animation of the...
Curated OER
Sex-Linked Traits
Again, the basis for trait inheritance and the impact of alleles in phenotypes was covered in previous videos. This presentation focuses on gender and the likelihood of traits if they are sex-linked. Sal tells a great anecdote about...