Discover how a Tijuana home addresses environmental challenges by using recycled materials and a water-treatment system. Learn about the innovative approach to water conservation, solar energy, and sustainable design that reduces costs...

Accidents happen all the time. People become distracted and drop items from their hands, clumsily knock things off shelves, and misinterpret kitchen recipes that sometimes produce disastrous results.



While everyone suffers...

In this video, I'm going to show you a simple way to identify the type of chemical reaction that is happening in a given situation. This will help you to understand the process more easily and to carry out the reaction in a more accurate...

A look at permanently shadowed regions on the Moon where NASA and KARI hopes to find water ice.

Simple advice for keeping a credible lab notebook

Molecules like PF5, SF₆ defy the octet rule, with expanded valence shells or unpaired electrons, arising from the availability of d-orbitals or radical stability

Ammonia and bleach are very popular for cleaning surfaces. However, the fact that you should NEVER mix ammonia and bleach is so well-known because their combination may lead to the formation of dangerous, potentially hazardous byproducts...

The most likely explanation for feeling tired all day but wired at night is that your Circadian rhythm is disrupted. This can be caused by a number of factors, such as adrenal disorders, poor sleep habits, sleep disorders, or mental vs....

Unreactive, and resistant to change by any chemical means.
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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...

The process by which nitrate compounds in the soil are converted to free nitrogen in the atmosphere.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

Poisonous, capable of causing death or serious illness by chemical means.
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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...

Meaning water-loving, a hydrophilic substance is one that readily associates 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...

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 type of rock containing minerals from which a useful substance can be extracted.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Definitions and examples of three distinct chemical classifications: elements, compounds and mixtures.
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Chemistry - Atoms And Bonding - L
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Discover the unique properties of silicon, which is found in many things from sand to computers.



Chemistry - Periodic Table - Learni

ng Points.

Silicon is

a metalloid element.

Silicon is found in...

Phosphorus is a versatile element, found in our DNA as well as fireworks and fertilisers.



Chemistry - Periodic Table - Learni

ng Points.

Phosphorus helps conve

rt food into energy.

P

hosphorus is...

Chemical energy is stored in all compounds, and can be released in chemical reactions.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

Any of the metallic elements from the central block of the periodic table.
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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...

Organic molecules that contain long carbon chains or rings and which tend to be insoluble in water, though soluble in organic solvents.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60...

Find out what's responsible for the smell of rotten eggs - compounds of sulfur! Chemistry - Periodic Table - Learning Points. Sulfur in its pure form is a bright yellow solid. Sulfur compounds are responsible for pungent smells, like raw...

In USA in the 1970s, 200,000 tonnes of lead was added to petrol every year. Now leaded petrol for cars is banned. Discover the dangers of tetraethyl lead in petrol. Chemistry - Chemical Industries - Learning Points. Midgley Junior added...

Discover the chemical processes occurring deep within the Earth that create beautiful crystal structures in caves. Chemistry - Reactions - Learning Points. Caves are a result of rainwater slowly carving away rock. Carbonic acid forms in...