Curated Video
Why is Blood Red?
What is it in our blood that makes it red, and why are other animals different? Biology - Human Body - Learning Points. Haemoglobin is the most efficient oxygen carrier and provides the red pigment in blood. Not all animals have red...
Curated Video
Factpack: Super Predators
What is an apex predator and which one is being described? 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 start of...
Curated Video
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...
Curated Video
Blood Transfusion: Vietnam
Lessons from the frontline: why the experiences of soldiers in the Vietnam War made doctors rethink how they treat severe trauma wounds. Biology - Human Body - Learning Points. During the Vietnam War, emergency blood transfusions given...
Curated Video
Kidneys
Learn about how the kidneys function, regulate the salt levels in our bodies, filter our blood, and ultimately keep us alive. Biology - Human Body - Learning Points. The kidneys are located just below the ribs - one on each side of the...
Curated Video
Heart
The heart powers everything you do. It pumps without you thinking about it, and beats over a billion times in an average lifetime. But how does it work? Biology - Human Body - Learning Points. The heart is the hardest working muscle in...
Curated Video
Alcohol: The Poison
Alcohol is a naturally occurring poison. What are the risks and health problems people can suffer from alcohol use or abuse? Biology - Healthy Living - Alcohol is a toxin and is produced by fermenting yeast. Alcohol damages both the...
Curated Video
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...
Curated Video
The History of the Microscope
A brief history of how the microscope has transformed from simple magnifying glasses to the powerful instruments of today. Biology - Cells And DNA - Learning Points. The Romans produced the first magnifying glasses in the 1st century AD....
Curated Video
Dissection: Heart
We dissect and examine a cow\u2019s heart to show the position and function of different parts. This includes the coronary artery, ventricles, atria, pericardium and the thickness of the muscle tissue. Biology - Human Body - Learning...
Curated Video
Dissection: Lungs
We dissect and examine a cow\u2019s lungs. Before the dissection, the lungs are inflated to show the changes in volume that occur when mammals breathe. During the dissection the position and function of different parts are examined,...
Curated Video
Iron and Luminol
We use potassium ferricyanide and luminol indicator to show how forensic scientists detect blood at crime scenes. The luminol indicator contains luminol, sodium hydroxide and hydrogen peroxide. When luminol comes into contact with the...
Curated Video
Insulin and Diabetes
Over 400 million people suffer from diabetes globally. What is diabetes, how is it caused, and what role does insulin play in its onset and treatment? Biology - Healthy Living - Learning Points. Insulin is a hormone that controls glucose...
Curated Video
DNA and Crime
DNA profiling can match individuals to a crime scene using only a few cells. A brief history of DNA profiling and the breakthroughs that have made this possible. Biology - Cells And DNA - Learning Points. DNA is described as a...
Curated Video
Omega-3: Healthy Fat?
The story of an extreme experiment which reversed scientific opinion on the health effects of omega-3 fatty acids. Chemistry - Chemical Industries - Learning Points. In 1979, Prof Sinclair conducted an extreme experiment to prove his...
Curated Video
The First Brain Surgeon
Today, 90% of brain surgery patients survive, with thanks to the work of Cushing, the world's first brain surgeon. A look at his techniques and how they have influenced modern brain surgery. Biology - Being Human - Learning Points. Dr...
Curated Video
Buffer
A substance that maintains a solution in a narrow range of pH. 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...
Curated Video
Stem Cells: Versatile Cells with the Potential to Specialize
Unspecialised cells that can divide repeatedly and develop into different types of specialised cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Aorta
The biggest artery in the body. 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 abstract concepts and key...
Curated Video
Reducing the spread of disease – Big reveal
What is it? ... These are white blood cells! Life processes - Humans and other animals - Reducing the spread of disease A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to...
Curated Video
What is a scab?
Scabs help your skin to heal when you cut yourself. Living things - My incredible body - My skin Learning Points Scabs help your skin to heal. A Twig Junior Film - Core science concepts explained in an easy way for the youngest students.
Curated Video
Why does your heart beat?
Your heart is a pump that pushes blood all around your body. Living things - My incredible body - My heart Learning Points Your heart is like a pump – it pushes blood around your body every time it beats. A Twig Junior Film - Core...
Curated Video
The circulatory system – Did you know?
Did you know that veins, arteries and capillaries carry blood all over your body? Life processes - Body systems - The circulatory system Learning Points There are 100,000 km of blood vessels in the human body. A Twig Tidbit Film - Did...
Curated Video
Blood donation
Explore the substances that make up blood and why it is classed as a mixture. Material processes - Separating mixtures - What is a mixture? Learning Points Mixtures do not react chemically and can usually be separated. Blood is a mixture...