Curated Video
Origin of Species
How are new species created? An insight into the key evolutionary processes, played out over many generations, which lead to speciation. Biology - Adaptation And Evolution - Learning Points. We all originate from a single cell, so why...
Curated Video
Kittinger: First Man in Space?
Before Yuri Gagarin orbited Earth, one man made an extraordinary trip beyond Earth's atmosphere. Can he claim to be the first man in space? Physics - Universe - Learning Points. Project Excelsior III was the American Air Force’s mission...
Curated Video
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...
Curated Video
Overpopulation
The global population is growing rapidly and soon the world could be overpopulated. Life as we know it could become unsustainable. What can we do to avoid this? Human Geography - A Changing World - Learning Points. There are over 7.5...
Curated Video
What is an Ecosystem?
Discover how climate, water, soil, plants and animals function as one and depend on each other in distinct ecosystems, which can range from a pond to an ocean, a tree to a vast forest. Biology - Ecosystems - Learning Points. An ecosystem...
Curated Video
Recycling Plastics
The differences between thermosetting, thermosoftening and partially biodegradable plastics, and how they can be recycled. Chemistry - Chemical Industries - Learning Points. We throw away a lot of plastic and most is non-biodegradable....
Curated Video
Life in the Freezer
From polar bears to emperor penguins, how animals and plants survive in some of the harshest habitats on Earth - the polar regions. Biology - Adaptation And Evolution - Learning Points. A host of different animals survive in the coldest...
Curated Video
Nuclear Power
How is this powerful and controversial energy source produced? Do the advantages outweigh the dangers of nuclear power? Earth Science - Earth's Resources - Learning Points. Nuclear power is created using uranium, and small amounts can...
Curated Video
Next Stop Mars
The Sun is dying, and getting hotter as it does. As life on Earth becomes unsustainable, could we move to Mars? Physics - Universe - Learning Points. The Sun will die in approximately 5 billion years. As the Sun ages, it will get hotter,...
Curated Video
Extreme Living: The Sahara
How satellite images revealed agriculture could be possible in one of the driest environments on the planet. Human Geography - Orientation And Settlements - Learning Points. 30% of the world's freshwater reserves are locked away...
Curated Video
Frontier Oil Exploration
Dwindling oil supplies mean exploration drilling is moving to far-flung reaches of the Earth. What difficulties does this pose, and what could the environmental impacts be? Earth Science - Earth's Resources - Learning Points. In the USA,...
Curated Video
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...
Curated Video
Clearing Oil Spills
We investigate the effectiveness of different methods to clear oil spills from water. First, we try to burn the oil in a sample of water using a gas lighter but there is no effect. Next, we break the oil up using detergent but this does...
Curated Video
Mass Tourism: Case Study
Tourism is now a major industry in Thailand due to its rich culture and exotic climate. However, mass tourism puts extraordinary pressure on local resources and creates problems of overcrowding and pollution. How can Thailand manage...
Curated Video
What is a Reptile?
Discover the five distinct features that unite all reptiles and the characteristics that they share with mammals, birds and fish. Biology - Animal Kingdom - Learning Points. A Twig Curriculum Film. Delivering key learning points. Get...
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...
Curated Video
Nanotechnology: Is It Safe?
Nanotechnology is already widely used, but some scientists are warning it could prove dangerous in future. Why? Chemistry - Atoms And Bonding - Learning Points. Nanomaterials take on very different properties to their larger particles....
Curated Video
Can You Trust Your IQ?
Is IQ the best measure of intelligence, or could an inbuilt mechanism for measuring quantitative values mean a bias against qualitative factors? Maths - Statistics And Probability A Twig Math Film. Reinforce and extend the learning...
Curated Video
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...
Curated Video
The Cell Membrane
Journey inside the cell to see how the cell membrane acts as both a barrier and an entrance. How does it take in nutrients while keeping out potentially damaging molecules? Biology - Cells And DNA - Learning Points. The cell membrane...
Curated Video
The Wind Power Debate
Despite being a clean, renewable source of energy, wind farms attract dissent. Discover the downside to the construction of wind farms and why some people are upset about their use. Earth Science - Earth's Resources - Learning Points....
Curated Video
Ecosystem
A living community of organisms along with their physical environment, functioning as a unit. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Erosion
The wearing away of rock and the removal of weathered rock, soil, and other solid materials away from source. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Indicator species
An organism whose presence or absence indicates a particular environmental condition. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...