Curated Video
Factpack: Scale of the Atom
How small is an atom? Comparing the size and number of atoms in tiny objects. Chemistry - Atoms And Bonding - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention...
Curated Video
Factpack: Mercury in Food Chains
Discover how mercury travels through food chains, and how its concentration multiplies along the way. Biology - Ecosystems - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to...
Curated Video
Factpack: Bacteria
Find out about these tiny life-forms that have the potential to determine the big things in life, such as whether we live or die. Biology - Cells And DNA - Learning Points. A Twig FactPack Film. Open a discussion on what has been already...
Curated Video
Factpack: Classification
Discover the systematic grouping of organisms according to the structural or evolutionary relationships among them. Biology - Adaptation And Evolution - Learning Points. A Twig FactPack Film. Open a discussion on what has been already...
Curated Video
Life in Space
Bacteria from a sneeze was inadvertently sent to the Moon. When it returned to Earth, it came back to life. What does this mean for the possibility of life in the Universe? Physics - Universe - Learning Points. In 1969, Apollo 12 went to...
Curated Video
The Nitrogen Cycle
Nitrogen is integral to the production of protein and DNA. Discover how it is present on Earth in a constant cycle, and how nitrogen from the air enters the food chain. Biology - Ecosystems - Learning Points. The nitrogen cycle describes...
Curated Video
Genetic Modification
Genetic Modification allows scientists to manipulate the genetic information of cells, even swapping characteristics between different species. But it is a process which has caused a lot of controversy. Biology - Cells And DNA - Learning...
Curated Video
Large Intestine
The final chapter in the journey of food through our digestive system: how bacteria transforms undigested matter into waste. Biology - Human Body - Learning Points. The large intestine is around 1.5m long and 6-7cm wide. The large...
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Germs and Hygiene
Explore where germs are found, how they can affect us, and how basic hygiene can help us avoid becoming unwell. Biology - Healthy Living - Learning Points. Pathogens are microbes that cause disease. Good hygiene is the best way to limit...
Curated Video
Sexually Transmitted Infections
The number of infections spread through sexual contact is increasing globally. Why is this? What are STIs? And why do some people not know when they've caught one? Biology - Healthy Living - Sexually Transmitted Infections (STIs) are...
Curated Video
Nanotechnology: What is It?
Still in its early stages, nanotechnology has the potential to change our world. What is it and how could it be used in the future? Chemistry - Atoms And Bonding - Learning Points. Nanotechnology is engineering on the smallest scale....
Curated Video
Antibiotics
Discover why antibiotics have become one of the most frequently used medicines. And why their efficiency is threatened by the emergence of superbugs. Biology - Healthy Living - Sir Alexander Fleming discovered the first antibiotic for...
Curated Video
Healthy Teeth - Dental Care Tips
Your teeth are exceptionally strong, but without the proper care they can be easily damaged. Learn how a few simple steps can help avoid tooth decay. Biology - Healthy Living - Learning Points. A build-up of plaque on your teeth can lead...
Curated Video
How to Make Fake Snow
Snow forms in the atmosphere as a result of water molecules attaching themselves to nuclei bacteria. But scientists have found ways to manipulate the freezing process of water and the production of these nuclei to create snow...
Curated Video
Oceans: The Abyss
In the ocean abyss – the deepest of all aquatic ecosystems – life is rare. But a few well-adapted creatures do survive in the most inhospitable habitat on Earth. Biology - Ecosystems - Learning Points. The abyssopelagic zone (or the...
Curated Video
Microbes in Milk
We examine the number of microorganisms in different types of milk using resazurin indicator. Samples of pasteurised milk, UHT milk and powdered milk are left in the open for three days before resazurin indicator is added and the samples...
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Anaerobic Respiration: Observing Yeast's Oxygen-Free Energy Production
We use yeast to let us observe anaerobic respiration. The yeast is added to warm water and glucose. A layer of oil is placed over the solution so that no oxygen is available. The solution starts to bubble and the gas produced passes...
Curated Video
Forensics: Bog Bodies
A look at the ancient preserved bodies that forensic scientists can examine in order to gain a better understanding of our ancient past. Chemistry - Atoms And Bonding - Learning Points. Forensic scientists can help us understand our...
Curated Video
Natural Versus Artificial
Are all artificial chemicals bad for our health? Revealing the health implications of natural and artificial chemicals, and the natural chemicals which can be deadly. Chemistry - Chemical Industries - Learning Points. All matter consists...
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Fermentation: The Chemical Process Behind Everyday Foods
Discover the chemical process which produces some of our most common foodstuffs, from bread to yoghurt, to wine and vinegar. Chemistry - Chemical Industries - Learning Points. Fermentation is the process of converting sugar and other...
Curated Video
Microorganisms – Did you know?
Did you know that microorganisms were the first forms of life on Earth? Life processes - Humans and other animals - Microorganisms Learning Points The first forms of life were microorganisms. A Twig Tidbit Film - Did you know? A...
Curated Video
Microorganisms – True or false
True or false ... Life on Earth could not exist without microorganisms? Life processes - Humans and other animals - Microorganisms Learning Points Life on Earth could not exist without microorganisms. A Twig Tidbit Film - True or False?...
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What lives on our skin?
Your skin is covered in microorganisms. Life processes - Humans and other animals - Microorganisms Learning Points Healthy human skin has millions of microorganisms living on it. Some microorganisms are helpful. Some microorganisms are...
Curated Video
Reduce, reuse, recycle – Did you know?
Did you know that a compost toilet also coverts human waste into fertiliser? People and places - Environmental awareness and care - Reduce, reuse, recycle Learning Points Human waste can be used as a fertiliser. A Twig Tidbit Film - Did...