With a better understanding of ecosystems and their habitats, we are ready to discuss behavioral ecology. This looks at how organisms interact and how this effects the ecosystem. What is foraging? What about parasitism, or mutualism? How...

In this experiment, our Testers attempt to make a fire using three different methods: solar, chemical, and survival techniques. Vincent heads to the southern Alps to learn the traditional friction method from survival expert Frédéric...

Evolution is the net change in organisms or a population over the span of many generations. This change in organisms or populations happens through DNA mutations and reconbination and is passed down to the next generation through...

The moment you think about astronauts, what comes to your mind would probably be a picture of an astronaut in a white spacesuit experiencing weightlessness in the vast expanse of space. Or perhaps you don't imagine a white astronaut. You...

As a plane flies, fast-moving air enters both the jet turbine engines. This fast-moving air is compressed as it passes through layers of fan blades inside the turbine. It’s at the compressor stage that a portion of the hot air is...

Most of Humanity is in India and China because the ratio of human survival and occupation of the planet has always been similar, but modern advancements have allowed those numbers to increase exponentially, so the difference has become...

The belief that one should keep a critically ill/wounded patient awake is mostly a non-medical concept. In other words, this belief/practice doesn’t really have concrete scientific backing; it’s just a thing that has crept into our...

The hydrophobia (fear of water) is brought on by the extreme pain of swallowing liquids, not just water. The rabies virus causes intense muscle spasms in the throat that are excruciating, so much so that even the thought of swallowing...

Humans do not have equal finger lengths due to the evolutionary advantage it provided our ancestors in gripping and manipulating tools. Around 3 million years ago, our ancestors started using stone tools, which became more refined over...

Research consensus at this time is that animals and humans differ most fundamentally in their ability to recognize themselves. Human beings are capable of self-analysis, mental time travel, imagination, abstract reasoning, cultural...

The emotion a spider elicits is not just fear but a combination of fear, disgust, and creepiness. Psychologists reckon that we have evolved to feel disgust or revulsion to prevent us from consuming or contacting things that might be a...

Or adaptive radiation, the divergence of life forms from a common ancestor, as they adapt to different environments.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning...

Single-celled microorganisms, which do not have a nucleus, and reproduce by simple cell division.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise...

A change in a DNA sequence.
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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...

Where in the world are there an estimated 12,000 captive tigers?
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Open a discussion on what has been already learnt in a...

Lessons from the frontline: why the experiences of soldiers in the Falklands War made doctors rethink how they treat severe trauma wounds.



Biology - Human Body - Learni

ng Points.

During the Falklands...

How can small prey protect themselves from predators?
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Biology - Adaptation And Evolution - L
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rning Points.
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Open a discussion on what has been already learnt in a topic, or...

The ability of bacteria to survive exposure to an antibiotic, often by producing a protein that disables or prevents transport of the antibiotic into the cell.
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A Twig Science
Glossary Film.
Key scientific terms...

A very small infectious agent that can reproduce only inside other cells.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

Mutual dependence between organisms or systems.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...

A plant that has adapted to survive in very dry environments.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

Learn how sexual selection governs mate choice, but also drives the evolution of species. Examples of physical and behavioural, intra and inter species sexual selection. Biology - Adaptation And Evolution - Learning Points. Selecting a...

Where does Earth fit into the Solar System and what makes this planet unique? Physics - Our Solar System - Learning Points. Earth is the third planet from the Sun. 71% of Earth is covered in liquid water, which is vital for life. Earth...

The Moon holds Earth in place and dictates our seasons. What happens to planets without a moon like ours? Physics - Our Solar System - Learning Points. The Moon formed after Earth collided with its twin, Theia. In proportion to the size...