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Minerals and Ores
Learn the basics about Minerals and Ores from a perspective of the Chemical Sciences.
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Minerals & Ores & The Extraction Of Minerals
Learn the basics about Minerals and Ores from a perspective of the Chemical Sciences.
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What Are Catalytic Converters
Learn the basics about catalytic converters, as a part of the overall environmental chemistry topic. A catalyst is a substance that causes a reaction to proceed more quickly, without being used up. A catalytic converter accelerates a...
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Discovery and Development of Drugs
What is a drug? You can pause the video here and have a think, see if you know the names of any drugs. A drug is a substance that when released into the body will cause an effect. Drugs may be recreational, where people choose to take...
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Virus Life Cycle
In this video we are going to look at what happens when a virus invades a host cell. You should already have an understanding of what viruses are.
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Cholera
Over 100,000 people die from cholera. Each year. And yet with treatment, at least 99% would survive. So what is cholera, and why are people still dying from it if it can be treated?
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Bacterial Disease
Did you know that it wasn’t until around 200 years ago that people knew what caused infectious diseases? Before that, they believed that one cause was ‘bad air’, and so they carried around bunches of sweet-smelling flowers to sweeten the...
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What Are Metallic Bonds?
Learn the basics about particles in a metal, that are held together by metallic bonds.What are metallic bonds? Find out more in this video!
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Biological Molecules
Molecules make you think of chemistry, right? Well, they also are very important in biology too. In this video we are going to look at carbohydrates, proteins and lipids. When I say lipids, I am talking about fats and oils. Life...
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Plasma
What colour is the liquid flowing through your veins, arteries and capillaries? it’s not blue or red. But technically it’s actually yellow.The blood that you see when you cut yourself looks red because it contains millions of red blood...
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What Are Serial Dilutions
We have already seen what dilutions are, and how to calculate them using the simple M1V1 = M2V2 equation. We are now going to look at serial dilutions. These are just multiple dilutions, and we can still use our same equation. Serial...
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Fungal Diseases
Imagine a world without bananas! It’s a real possibility… a fungal disease is attacking and killing banana trees, and as yet we haven’t found a cure.
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Mycoprotein
Protein is essential for life - we need protein to build muscle tissue, to make enzymes for our metabolic activity, to form the protective layer of our skin, to make DNA… in fact for most processes in our body. There are thought to be...
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Antibiotics
Antibiotics… one of the greatest discoveries of the 20th century. You’ve probably taken them at some point during your life… maybe for a throat or ear infection? About 20 doses of antibiotics are prescribed per 1,000 people every day...
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Penicillin
Penicillin is a type of antibiotic that can be used to treat bacterial infections. Really important - antibiotics can only be used to treat bacterial infections. Penicillin was first discovered in 1928 by a scientist called Alexander...
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What are Antibodies
If this is the first time you have heard about antibodies, you may not know how important they are. Antibodies are one of the warriors inside our body, helping us to fight off nasty, invading particles. They are a type of protein, and...
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What is RNA
DNA is a type of nucleic acid. And in this video we are going to have a quick look at another type; RNA. We have both DNA and RNA in our bodies. We need them both! DNA is the blueprint; it contains all of the instructions for the cell to...
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How The Elements Are Laid Out In The Periodic Table
Learn the basics about How the elements are laid out in the periodic table? Why are they all named and placed that way? Find out more in this video!
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Plant Classification
Plants are extremely complex and diverse - there are thousands of species. In fact, there are probably somewhere around half a million different species. And these are just the ones we know about - there are no doubt many more that...
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PHYSICS - Forces - Newton's 3rd Law of Motion
The third law of motion states that for every action there is an equal and opposite reaction.
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How To Use Moles - Part 2
Carry on learning about using moles in this part 2 of 3 parts. Avogradro’s number describes what is known as 1 mole, or 12 g of carbon atoms. This is used in chemical calculations. For any element, the relative atomic mass is the weight...
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Moles In Equations
Learn the basics about Moles in equations. How do you calculate a mole? How do moles work in equations? Find out more in this video!
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Formulae Of Ionic Compounds & Their Names: Part 2
In this video learn about polyatomic ions, how to name the ionic compounds formed from these ions and how to deduce formulae of ionic compounds formed from polyatomic ions.
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How Does Water Treatment Work
Learn the basics about water treatment, as a part of environmental chemistry. Human beings have added to the natural water cycle by taking water from rivers for use in our towns and cities. We are taking a huge amount of water from...