Curated Video
Revolutionizing Air Pollution Monitoring and Breath Analysis: Leicester University's Breakthrough Device
Scientists at Leicester University have developed a sensitive device that can rapidly analyze chemical compounds in the air and human breath. This technology has the potential to revolutionize air pollution monitoring, as well as have...
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Bangalore's Growing E-Waste Problem: The Toxic Side of India's Technology Hub
This video highlights the growing issue of electronic waste in Bangalore, India's technology hub. With an estimated 6000 tonnes of e-waste currently stored in the city, and an expected annual increase of 1500 tonnes, proper recycling and...
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Are Roller Coasters Actually Good For Your Brain?
Roller coasters have the power to heal. Host Joe Hanson explores the world of coasters, exploring the safety protocols ride engineers consider in designing them and the impact they have on the human body. We learn about how the...
Curated Video
Gland
An organ that produces a specific substance the body needs, such as a hormone. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Vesicle
Usually referring to a pocket of liquid within the cytoplasm of a cell, which is used to enclose and transport chemicals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Plasma (biology)
In biology, plasma refers to the liquid component of blood, in which blood cells are suspended. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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Amplification of DNA
Producing many identical copies of a DNA sequence, by laboratory processes, such as the polymerase chain reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Chlorofluorocarbons
A class of compounds based on simple hydrocarbons like ethane, methane and propane, in which hydrogen atoms are replaced by chlorine and fluorine. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
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Antigen
A molecule or fragment of a molecule that triggers an immune response, causing the body to produce specific antibodies against it. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Lipids
Organic molecules that contain long carbon chains or rings and which tend to be insoluble in water, though soluble in organic solvents. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
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Neurons as Cells
Everything our brain does, from controlling movement to conscious thought, is achieved by the firing of electrical signals called neurons. Biology - Being Human - Learning Points. Everything our brain does is achieved by electrical...
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What Plants Need to Grow
Plants produce oxygen and provide our food, but what do they need to live? Learn why nitrates, phosphates, potassium and magnesium are vital for plant health. Biology - Plants - Learning Points. Understanding how plants grow ensures we...
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Bioaccumulation in Food Chains
Investigating why peregrine falcon populations are threatened by pollution from industry thousands of kilometres away. Biology - Ecosystems - Learning Points. The peregrine falcon lives remotely but is affected by man-made chemicals....
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Forensics: Chromatography
Find out how chromatography can be used to create the chemical 'colour fingerprint' of a substance. What are the two chromatography methods and how are they used to solve crimes? Chemistry - Atoms And Bonding - Learning Points....
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Immune Defence: Part 2
Antibodies combat some of the strongest foreign invaders that enter your body. What are antibodies and how do they work? Biology - Cells And DNA - Learning Points. Whenever a germ or infection enters our body, white blood cells,...
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How Do Fireworks Work?
Fireworks combine chemical processes, from combustion to spectroscopy, to create spectacular displays. Discover what happens when the fuse is lit. Chemistry - Reactions - Learning Points. Fireworks involve combustion and exothermic...
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Pollution: Water
How does water get polluted? Discover what water pollution means for the environment and how it affects humans. Earth Science - Human Impacts - Learning Points. Industry, agriculture and sewage all contribute to water pollution....
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Metals in Medicine
Metals are used in the human body for a wide range of medical purposes. Discover which metals are used and what properties they have that can help to heal us. Chemistry - Periodic Table - Learning Points. Titanium, stainless steel and...
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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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Winning and Losing
See how two boxers fare in a match, and discover how the chemicals in our body influence whether we win or lose. Biology - Being Human - Learning Points. The brain's reaction to winning and losing is hard-wired. When a boxer realises he...
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Plants and Medicine
Discover how artichokes, garlic and poppies play important roles in medicine, pain management and the treatment of disease. Biology - Plants - Learning Points. The medicinal properties of plants have saved countless lives. Over half of...
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Stimulating Daphnia
We examine the effects of different temperatures and chemicals on the heart rate of Daphnia. A microscope is used to let us see the Daphnia\u2019s heart and establish the heart rate under normal conditions. The heart...
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Endothermic Reaction
We demonstrate an endothermic reaction by mixing hydrated barium hydroxide with ammonium thiocyanate. When these two solids react they take heat from the surrounding air. Chemistry - Reactions - Learning Points. Breaking bonds takes in...
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Effects of Smoking
We test the effects of smoking by drawing first air and then cigarette smoke through apparatus that contains mineral wool and universal indicator. The air has no effect, but the smoke discolours the wool and changes the colour of the...