Food Farmer Earth
Revitalizing Our Food System: Insights from Claire Hope Cummings
Delve into the transformative ideas of Claire Hope Cummings on sustainable agriculture. Learn how food can connect us to our community, culture, and the natural world in meaningful ways.
US Department of Agriculture
What is a Conflict of Interest?
One of the primary concerns for all federal employees is the prevention of conflicts of interest, in order to increase the public’s trust in government. That’s also one of the most basic functions of the Office of Ethics. In this video...
Infognostica
Five dietary deficiencies that cavemen didn't have...
Our modern diet is rife with specific dietary deficiencies. This explores just 5 discrepancies between our diet, and that of our primal ancestors. Fig Leaf Rag Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By...
Curated Video
Aquifer
An underground layer of porous rock or other material that is permeated with water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Desertification
The degradation of usable land into desert. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and...
Curated Video
Eutrophication
An overabundance of nutrients in a body of water, causing excessive plant growth. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Clone
A genetically identical copy of a piece of DNA, or an entire organism. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Potash
The traditional name for water-soluble salts and minerals that contain potassium. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Topsoil
The uppermost 5 to 20cm of soil, with a high concentration of organic matter and microorganisms, where almost all of the biological activity in soil takes place. A Twig Science Glossary Film. Key scientific terms defined in just 60...
Curated Video
Abiotic Factors in Ecosystems
What happens when non-living factors in an ecosystem are altered, such as rainfall or air quality? Biology - Ecosystems - Learning Points. An ecosystem is a living system interacting with its physical habitat. Changes in biotic and...
Curated Video
What Plants Need to Grow
Plants produce oxygen and provide our food, but what do they need to live? Learn why nitrates, phosphates, potassium and magnesium are vital for plant health. Biology - Plants - Learning Points. Understanding how plants grow ensures we...
Curated Video
Invading Plant Species
Ecosystems are finely balanced environments. The introduction of 'invader' plant species can be disastrous for biodiversity. Biology - Ecosystems - Learning Points. Protecting diverse delicate habitats from invading species is difficult....
Curated Video
Deforestation
Discover how the destruction of the rainforest impacts ecosystems, and begins a cycle that contributes to global warming. Earth Science - Human Impacts - Learning Points. Forests are home to 70% of Earth's land animals and plants....
Curated Video
Genetic Modification
Genetic Modification allows scientists to manipulate the genetic information of cells, even swapping characteristics between different species. But it is a process which has caused a lot of controversy. Biology - Cells And DNA - Learning...
Curated Video
Overpopulation
The global population is growing rapidly and soon the world could be overpopulated. Life as we know it could become unsustainable. What can we do to avoid this? Human Geography - A Changing World - Learning Points. There are over 7.5...
Curated Video
Rural Deprivation
Rural deprivation is when rural areas suffer a lack of resources, amenities or jobs. This can have a widespread effect on the economic status of these areas and the development of a country as a whole. Human Geography - Orientation And...
Curated Video
Fold Mountains: Uses
Fold mountains provide a challenge for humans in many ways. What are the uses of this terrain around the world? And how do these effect the environment of fold mountain ranges? Earth Science - Geology - Learning Points. The impressive...
Curated Video
Tropisms and Hormones
Discover the hormones that dictate whether a plant grows downwards with gravity, towards water and nutrients, or upwards towards light. Biology - Plants - Learning Points. Tropisms allow plants to seek out the best conditions for...
Curated Video
Brazil: Agricultural Revolution
With global food need increasing, but less new agricultural land available, progressive agricultural methods are needed to feed the world. See some of those methods in action in Brazil. Human Geography - A Changing World - In the last...
Curated Video
Urea
An organic compound containing nitrogen that plays an important role in animal metabolism, and is excreted in the urine of mammals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Ecosystem Management: Tropical Rainforests
The Amazon rainforest is being cut down for resources and land at a rapid rate. Learn how alternative farming methods, incentives to cut carbon emissions and protected reserves are helping to conserve the rainforest from further harm....
Curated Video
Ecosystem Management: Deserts
The Mojave desert in the USA and the Thar Desert of India have very different uses. How do humans manage these environments? And what effect does the economic status of the country have on their development? Earth Science - Human Impacts...
Curated Video
Volcanoes: MEDC Response
In the Spring of 1980, the Mount St Helens Volcano in Washington State erupted in one of the most violent events in recorded history. But a human catastrophe was prevented due to the More Economically Developed Country's capacity to...
Curated Video
Benefits of science
In this film the positive and negative impacts of scientific developments on the environment are explored. People and places -Environmental awareness and care - Science and the environment Learning Points Science both creates and solves...