Liberty is a founding principle of the United States, but many of the people who helped build the North American colonies were not free. The resilience of enslaved people and their contributions to what would become the United States...

The Columbian Exchange, a vast system of international trade, changed global commerce forever. Named after famous explorer Christopher Columbus, it reshaped diets, economies, and societies across continents.

The Panic of 1819, triggered by land speculation, reduced exports and a cutback in credit, led to America's first major financial crisis and reshaped its economic policies.

The War of 1812 pitted the fledgling United States against Great Britain in a second war of independence. But what factors influenced Congress’ contentious decision to declare war in the first place?

Witness the innovative transformation of former coal mines into sustainable farms, creating new opportunities for the future.<br/>

Spain is the fourth largest country in the European Union by population with more than 48 million people. Despite this, the vast majority of these people live either within the Madrid metropolitan area or within cities on the coast. This...

What was the Secret Weapon of the Carthaginian Empire?

This video discusses various techniques and tools used for extending the growing season in agriculture, such as row cover fabrics, cold frames, and unheated greenhouses. It highlights the benefits of these methods in enabling early and...

This video takes an in-depth look at winter greenhouse farming, showcasing innovative techniques used to grow crops during the off-season. It highlights the daily challenges and rewards of managing a greenhouse, and the impact of weather...

Kansas has fewer than 3 million Americans overall making it the 36th largest state in the country. But if you look just to the east and west you have the states of Missouri and Colorado respectively, each with about double the population...

Capa subterránea de rocas porosas u otros materiales que está saturada de agua. <br/<br/>>

Twig - Ciencias de la tierra

Sobreabundancia de nutrientes en una masa de agua que provoca un crecimiento excesivo de plantas. <br/<br/>>

Twig - Biología

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...

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...

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.<br/>

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...

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...

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...

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...

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...

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.

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...

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...

An underground layer of porous rock or other material that is permeated with water.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...