It is not as easy to manufacture water as it appears. Combining hydrogen and oxygen atoms—the two constituents of water—releases tremendous energy. When combined chemically, these highly flammable gases produce large explosions, as...

A circle is 360 degrees But have you ever thought why is a circle not a simpler number, like 10 degrees or 100 degrees? As it turns out 360 is actually a very good number. From a purely mathematical standpoint, a number like 10 or 100...

Explore how a lifelong artist incorporates her creative vision into the daily rhythms of a small family farm. Learn about the synergy between her art and agricultural practices, which enhances both the farm's productivity and its visual...

No one wants to be the bearer of bad news. But, sometimes you have to. So, let’s look at how to give bad news to your client, sponsor, or boss.



Two things can make bad ne
ws worse:
1. Pretending it
is not bad...

Welcome to Introduction to Engineering. This is your first video tutorial! Today, we are talking about measurement. We'll need to know some of this stuff for our first project. Get your ruler ready!

An idea or suggestion that is put forward to be tested.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...

A small gas burner commonly used in laboratories for heating and sterilising.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....

Organisms whose cells lack a nucleus and other membrane-bound structures.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

A class of compounds based on simple hydrocarbons like ethane, methane and propane, in which hydrogen atoms are replaced by chlorine and fluorine.
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A Twig Science
Glossary Film.
Key scientific terms defined in...

A simple sugar that plays a very important role in all living things.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

A formula that shows the simplest whole number ratio of atoms in a compound.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....

Or primordial soup, refers to the medium in which the first life on Earth may have originated.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

See monkeys do addition and parrots count... but is this mathematical ability really what it seems? Explore animals' ability to do simple maths. Maths - Number A Twig Math Film. Reinforce and extend the learning required by the...

It was thought the Egyptians used only manual labour to build some of the Wonders of the World. Now it is though they could have used simple machines. Physics - Forces - Learning Points. It is believed that the Egyptians constructed the...

Discover how elements are formed in the centre of stars, and how some elements are formed in even more spectacular conditions. Chemistry - Periodic Table - Learning Points. Most elements were created in space. At the beginning of the...

What is cystic fibrosis? Find out what the symptoms are and how it is caused. Biology - Cells And DNA - Learning Points. Cystic fibrosis is a serious progressive, genetic disease that affects the whole body. Cystic fibrosis is caused by...

What is tessellation, where is it found, how does it work, and how did artist MC Escher translate it into geometric art? Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s context films...

Creating a Venn diagram to reveal the differences and surprising similarities between rainforest and desert environments. Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s math films...

When Darwin first proposed the theory of evolution by natural selection 150 years ago it was revolutionary. What scientific evidence supports this theory? Biology - Adaptation And Evolution - Learning Points. Since Darwin proposed his...

Why do people fear flying but not coconuts? Or rollercoasters but not ladders? Find out how to calculate the theoretical or experimental probability of events, and why this shows that often the things we fear the most are the least...

Understand how Pythagoras's Theorem is applied, why it holds true, and how we know that Pythagoras did not, in fact, discover it. Maths - Shape A Twig Math Film. Reinforce and extend the learning required by the curriculum. Twig’s...

A blizzard creates a blanket of snow. Look closer and the true beauty of individual snowflakes can be seen. How are different shapes of snowflakes formed and why are they always perfectly symmetrical? Chemistry - Atoms And Bonding -...

Life on Earth has been changing for billions of years.
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Our universe - Story of life -


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Learning Points
Life has been on Earth for a very long time, but humans only e
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olved...

Explore the hidden clues left behind by prehistoric humans in their cave art. Learn about the possible spiritual meanings, challenging journeys, and the theories behind the detailed paintings created thousands of years...