Curated Video
Biodegradable
Easily broken down by biological activity, especially bacteria in the soil. 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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Xerophyte
A plant that has adapted to survive in very dry environments. 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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Germination - Early Plant Growth
The early stages of growth of a plant or fungus from a dormant seed or spore. 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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Coasts: Soft Engineering
This film explores some of the Soft Engineering solutions used in coastal process management. Explore the different ways in which these solutions work, and how they complement natural processes. Earth Science - Geology - Learning Points....
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The Oilmen and the Animals
They are seeking the world's most dirty fuel, but the oilmen of Barrow Island are also helping to conserve rare and endangered species. A story of ecologically-responsible oil extraction. Earth Science - Human Impacts - Learning Points....
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Planet Hunters
Scientists suppose there could be other life-bearing planets like Earth. To find them, they are looking for 'wobbling' stars. Physics - Universe - Learning Points. When a planet orbits a star, it has just enough gravitational force to...
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Factpack: Reflex Arcs
Discover the natural reflexes that make you salivate over food and your pupils dilate in bright light. Biology - Being Human - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to...
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Factpack: Primitive Species
Meet the species which have not evolved for millions of years. Why have they stopped evolving? Biology - Adaptation And Evolution - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or...
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Abiotic Factors in Ecosystems
What happens when non-living factors in an ecosystem are altered, such as rainfall or air quality? Biology - Ecosystems - Learning Points. An ecosystem is a living system interacting with its physical habitat. Changes in biotic and...
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Homo Habilis and Boisei
2 million years ago, two species of apeman had evolved different strategies to survive the African environment. When the landscape changed, which would continue on the path to becoming human, and why? Biology - Adaptation And Evolution -...
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Bizarre Adaptations
All animals develop specific characteristics in response to their environment, but some adaptations are more weird and wonderful than others. Biology - Adaptation And Evolution - Learning Points. Every animal species on the planet has...
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Pollution: Air
What are the major atmospheric pollutants and where do they come from? Discover what air pollution means for the environment and how it affects humans, from smog to acid rain. Earth Science - Human Impacts - Learning Points....
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Hydropower
How dams, tidal power and wave power work to generate electricity. What are the pros and cons? Earth Science - Earth's Resources - Learning Points. Hydropower uses the power of moving water as a source of energy. Dams, tidal power and...
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Invading Plant Species
Ecosystems are finely balanced environments. The introduction of 'invader' plant species can be disastrous for biodiversity. Biology - Ecosystems - Learning Points. Protecting diverse delicate habitats from invading species is difficult....
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Mechanisms of Evolution
Genetic variation produces new characteristics and, over generations, drives the evolution of species. But how do new gene types arise and what are the processes behind evolution? Biology - Adaptation And Evolution - Learning Points....
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Dogs and Wolves: Nature or Nurture?
A unique experiment investigates what happens to wolf cub's wild nature if they are raised in a domestic environment. Will nature or nurture win out? Biology - Cells And DNA - Learning Points. Wolves and dogs are 99.8% genetically...
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Bottled Water: The True Cost
What is the expense, and environmental cost, of bottling water when tap water is freely available? Earth Science - Earth's Resources - Learning Points. Bottled water is up to 10,000 times more expensive than tap water. Bottled water has...
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Deforestation
Discover how the destruction of the rainforest impacts ecosystems, and begins a cycle that contributes to global warming. Earth Science - Human Impacts - Learning Points. Forests are home to 70% of Earth's land animals and plants....
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Echolocation: Dolphins
Dolphins use of sound as a navigational tool is essential to their survival. Discover how they produce these sounds and use them to learn about their environment. Physics - Waves - Learning Points. Dolphins, like most marine species, use...
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Adaptation - Survival Traits
Examples of physical and behavioural adaptations which allow plants and animals to survive in some of the most challenging habitats on Earth. Biology - Adaptation And Evolution - Learning Points. Animals and plants survive in diverse...
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Natural Selection - Survival of the Fittest
Darwin's theory of Natural Selection reveals an intense struggle for existence: a constant fight between individuals, species, and their physical environment, where only the fittest survive. Biology - Adaptation And Evolution - Learning...
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The Genius Sperm Bank: Part 2
Meet the grown-up designer babies created by Robert Graham's Genius Sperm Bank in 1970s America. Were any geniuses? Biology - Cells And DNA - Learning Points. Germinal choice was introduced by millionaire Robert Graham. Children born of...
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Pollution: Land
How does land get polluted, and what with? Discover the quantities of waste deposited in landfills each year, and just how much could be recycled. Earth Science - Human Impacts - Learning Points. Landfills are holes in the ground where...
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Homo Ergaster
Homo ergaster had a huge brain and lived in complex social groups, but his evolution was stunted for a million years, until he discovered fire. Biology - Adaptation And Evolution - Learning Points. Homo ergaster evolved from homo habilis...