Curated Video
Eutrofización
Sobreabundancia de nutrientes en una masa de agua que provoca un crecimiento excesivo de plantas.
Twig - Biología
Curated Video
What Will Life Look Like as MAJOR Rivers Run Dry?
As global warming continues, we are going to continue seeing record droughts and many places are, simply, going to have to live with far less water. But, more specifically, it means we are going to need to innovate both how cities and...
Curated Video
This Is Why Worse Droughts Mean WAY Worse Floods
We try to get to the bottom of this paradox and unravel the role that climate change is truly playing in our increasingly erratic weather and precipitation patterns. We also look at large climatological elements like atmospheric rivers...
Great Big Story
Kenya’s rose production, a blooming industry in Lake Naivasha
Discover how Lake Naivasha in Kenya has become a global hub for rose cultivation, providing fresh, perfect flowers to countries like Europe, Japan, and the US.
Science ABC
Climate Change and Global Warming: Explained in Simple Words for Beginners
The term climate change is used to denote the long-term changes in the weather patterns in a given region. Another term often interchanged with climate change is global warming. Global warming is formally defined as a rise in Earth's...
Science ABC
Why Is Most Of Humanity Concentrated In India And China?
Most of Humanity is in India and China because the ratio of human survival and occupation of the planet has always been similar, but modern advancements have allowed those numbers to increase exponentially, so the difference has become...
Science ABC
What Separates Humans From Animals?
Research consensus at this time is that animals and humans differ most fundamentally in their ability to recognize themselves. Human beings are capable of self-analysis, mental time travel, imagination, abstract reasoning, cultural...
Food Farmer Earth
The Encroaching Urban Growth: A Farmer's Perspective on Expanding City Limits
Discover how urban expansion affects local agriculture through the eyes of a Clark County farmer facing the encroachment of urban growth boundaries. Learn about the complexities of investing in farming operations amidst uncertainties of...
Food Farmer Earth
Empowering Communities: An Urban Farm's Unique Approach with Disabled Adults
Explore an urban farm that feeds its local neighborhood and provides meaningful employment to adults with disabilities. Learn about the farm's approach to social inclusion and its impact on both community well-being and local food...
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...