Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and...

Hank introduces us to the brilliant and heartless Fritz Haber, a great mind who is considered "the father chemical warfare," but who also made discoveries and innovations that helped lead to the Green Revolution which is credited with...

We’ve discussed the four main branches of engineering but there are so many other fields doing important work, so today we’re going to explore a few of them. In this episode we’ll explore some of the history and fundamentals of...

Concrete sucks CO2 out of the atmosphere, but making it initially produces a lot of carbon dioxide as a byproduct. Fortunately, by rethinking the chemistry of cement altogether, we can actually use carbon dioxide to create our concrete...

Fresh water is essential for life -- and there's not nearly enough of it for the world right now. Why is that, and what could we do? Christiana Z. Peppard lays out the big questions of our global water problem. And no, shorter showers...

On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn’t an act of war. It was...

We've talked about a lot of revolutions in 19th Century Europe, and today we're moving on to a less warlike revolution, the Industrial Revolution. You'll learn about the development of steam power and mechanization, and the labor and...

This video explores the resurgence of tariffs in economic policy, particularly in the context of Donald Trump's administration. It delves into the historical and potential future impact of tariffs on the economy, discussing their...

Despite an economic turnaround in recent decades, Italy is split into two very different halves. Northern Italy is the country’s economic powerhouse, and the Lombardy region, which produces about 40 percent of Italy’s GDP, is at its...

Did you know that France is a leading industrialized country with one of the world's largest economies? In fact, it's a main global exporter. Learn more about France’s key economic sectors and industries. Explore the country’s role and...

This World Cultures instructional video discusses how the Industrial Revolution spread.

Howcast - Learn about an industrial piercing, aka scaffold piercing or construction piercing, from professional body piercer Dana Dunn in this Howcast video.

Pupil outcome: I can explain how Liz Berry presents the importance of voice and identity. Key learning points: - The subject of the poem is likely the speaker’s relative. - The speaker implies that the subject felt is necessary to hide...

Galileo is a satellite navigation program developed by the European Space Agency and the European Union. It aims to provide a global navigation system that is independent of other existing systems, such as GPS and GLONASS. With its...

Los diamantes, que se forman a gran profundidad en el interior de la Tierra, son difíciles de encontrar. Pero no es solo su rareza lo que los hace tan valiosos sino que los diamantes tienen también aplicaciones industriales...

From 'smoky fog', smog is a form of pollution often associated with cities.
<

br/>

A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....

One of the most abundant elements, oxygen is vital to all life on Earth.



Chemistry - Periodic Table - Learni

ng Points.

Oxygen makes up 21% of

Earth's atmosphere.

Two-thirds of the

human body is...

How does water get polluted? Discover what water pollution means for the environment and how it affects humans. Earth Science - Human Impacts - Learning Points. Industry, agriculture and sewage all contribute to water pollution....

Four uses of land are shown, but which is the odd one out?
<

br/>

People and places - Human geography - Cha
n

ging land use


A Twig Tidbit Film - Odd one out. The children have to work out which of four...

Discover the various ways in which land is used all across the world.
<

br/>

People and places -Human geography -
U

sing the land />

Learning Points
Land that is used for ho
u

sing is known as...

Discover the craft and science behind making knack sausages, a favorite treat from Alsace. Learn about the traditional ingredients like pork, beef, and the surprising use of crushed ice to maintain the perfect texture during grinding....

Dr. Forrester explains specialization in manufacturing and how the Industrial Revolution changed the ability to manufacture goods. She then talks about how global trade has opened the doors for consumers of manufactured products from...

Dr. Forrester teaches the student about rural, urban, and suburban communities and how they have developed and changed over time.

In today's video we'll cover:<br/>
- What was<br/>te water is
- The different <br/>sources of waste water
- How we can treat waste water