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Sampling
The method of using a small part of something to represent the whole. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Genetic engineering
A group of techniques used to manipulate an organism's DNA. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
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Factpack: Deadliest Animals
Which animal poses a major threat to humans? You may be surprised. Biology - Adaptation And Evolution - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the...
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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...
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Malnutrition
Malnutrition is the biggest risk to health worldwide. It has become a common problem in the developing world. What is it and how does it develop? Biology - Healthy Living - Malnutrition is a chronic lack of nutrients. Malnutrition is the...
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What is Cancer?
Cancers claim more lives every year than any other disease, and come in many forms such as lung cancer, bowl cancer and breast cancer. Why are cancers so deadly and how can we treat them? Biology - Cells And DNA - Learning Points. There...
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Huntington's: The Disease
Discover how Huntington's disease is passed on through a single gene. How does it progress, what are the symptoms and is there a treatment? Biology - Cells And DNA - Learning Points. Huntington's disease is a genetic disorder that is...
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Stem Cells: Unlocking The Potential to Regenerate Tissues
Revealing the amazing and unique properties of stem cells, and how they can be used to regenerate tissues. Biology - Cells And DNA - Learning Points. There are three different types of stem cell: embryonic, foetal and adult. Stem cells...
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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...
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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...
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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...
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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...
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Balanced Diet - Nutrition Essentials
Discover which foods are vital for a healthy diet. What should you be eating, how much, and why? Biology - Healthy Living - Learning Points. You need a balanced diet to be healthy. A balanced diet is varied and contains different amounts...
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Smoking: The Damage
Find out more about the range of toxins in cigarettes and the serious damage they can cause to smoker's lungs. Biology - Human Body - Learning Points. Cigarette smoke damages the lungs. The chemicals in cigarettes irritate the lung...
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Darwin's Dilemma
The creation, controversy and competition surrounding the publication of Darwin's most iconic work: The Origin of Species. Biology - Adaptation And Evolution - Learning Points. Darwin, an English scientist, worked on his theory of...
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Huntington's: The Dilemma
Huntington's is a genetic disease, which usually occurs in middle age. There is a genetic test for Huntington's but, with no cure available, would you choose to be tested if you were at risk? Biology - Cells And DNA - Learning Points. A...
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Biotic Factors in Ecosystems
What happens if you change the living factors of an ecosystem? Discover the effect of removing predators or introducing a new species into a habitat. Biology - Ecosystems - Learning Points. The smallest change can tip the balance of the...
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Vitamin Deficiencies
How an investigation into a skin disease in the American Deep South revealed the true value of a healthy diet - and what happens when you don't consume enough vitamins. Biology - Healthy Living - A lack of specific vitamins can cause...
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Cystic Fibrosis
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...
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Therapeutic Stem Cells
Stem cell therapy is a radical new treatment with the potential to restore eyesight and heal injuries. However, many object to its moral implications. Biology - Cells And DNA - Learning Points. Stem cells can repair or rebuild damaged...
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Endangered Species
From the western gorilla to the blue whale, thousands of animal species are under various levels of threat. What can we do to protect them or is it already too late? Biology - Adaptation And Evolution - Learning Points. An astounding...
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Tasmanian Devil
Find out why the Tasmanian devil is fighting for its life and facing extinction... Biology - Adaptation And Evolution - Learning Points. The Tasmanian devil is a small, carnivorous marsupial. Tasmanian devils are native to the Australian...
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Inheritance: Part 2
If you inherit two copies of every gene, one from each parent, how do your cells know which version to use? Biology - Cells And DNA - Learning Points. Alleles, alternative forms of genes, can be dominant or recessive. Dominant alleles...
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The First Human Clone
Mired in ethical debate, human clones could help infertile couples to have children and be used to create organ banks, helping to cure disease. Is this scientific progress or man playing God? Biology - Cells And DNA - Learning Points. In...