In part 2 of a 3 part discussion on fluid diffusion, Dr. Boyd explains and demonstrates the effect of temperature on diffusion. Minute 0:30 – Introduction Minute 0:41 – What you need Minute 0:54 – Explanation Minute 1:47 – Safety Minute...

Smoking in teens not only leads to addiction but also poses both immediate and long-term health risks. Learn about the many harmful effects of smoking from coughing and shortness of breath to cancers and coronary heart disease....

An update for the NASA InSight mission to Mars. What has it seen and discovered so far?

Toxoplasma gondii, is a unicellular parasite that changes the behavior of its host! A 2002 study showed that people who had toxoplasmosis got into more car accidents than uninfected people. Later research, in rats (another host) and...

Contrary to popular belief, cockroaches cannot survive a nuclear explosion; however, it is true that cockroaches are more tolerant of certain ionizing radiation than humans. Even so, they cannot survive bug spray, as it consists of...

Glial cells are various types of brain cells. There are 3 main types of glial cells - astrocytes, oligodendrocytes, and microglial cells. These cells protect neurons, help neurons pass information, and keep the brain healthy. These group...

There are many things to keep in mind when choosing your life partner. One such thing is the blood group. We don’t think of this at first, but differences in blood groups can lead to complications. More specifically, these problems can...

The gut microbiome are the trillions of microorganisms – primarily bacteria, but also fungi, viruses and protists – that live inside your digestive system. Scientists are discovering that these microbes are vital for us to live healthy...

The most likely explanation for feeling tired all day but wired at night is that your Circadian rhythm is disrupted. This can be caused by a number of factors, such as adrenal disorders, poor sleep habits, sleep disorders, or mental vs....

Learn about Alan Kapuler’s pioneering efforts in open source plant breeding. Discover how he advocates for a collaborative approach to seed sharing and plant variety development, fostering a community that supports ecological diversity...

The cold air produced by ACs is not inherently harmful. However, you may start to see symptoms of air conditioning sickness if your AC fails to restrain the bacteria, mold, fungi, dander, etc., that are thriving in the air-conditioned...

The level below which the ground is completely saturated with water.
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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...

The observable physical and behavioural characteristics of an organism.
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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...

Discover the specific conditions needed for the formation of emeralds, rubies and sapphires; and how there is now potential to 'grow' them in laboratories. Earth Science - Geology - Learning Points. Emeralds are made from beryllium....

Coastal erosion produces beautiful beaches and some rather unusual land formations, from spits to stacks, mud flats to salt marshes. Earth Science - Geology - Learning Points. Cliffs are formed when destructive waves attack the bottom of...

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....

A look at the difference in living standards and prospects between countries around the world, how this is measured, and how this impacts your life. Human Geography - A Changing World - Learning Points. The most commonly used indicator...

Friction can be friend or foe. What is friction, how does it affect our lives and how can we alter it? Physics - Forces - Learning Points. Friction is a resistive force between surfaces moving at different velocities. Friction is...

Can algebra help a group of unlucky-in-love men find a date? See how manipulating the values in an algebraic equation can skew the outcome. Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the curriculum....

Through organic matter, rocks and the oceans, the element central to all life on Earth is constantly on the move. Earth Science - Earth's Resources - Learning Points. The carbon cycle is a transfer of carbon between living matter and the...

We investigate the effect that unbalanced charge has on polar molecules. We rub a balloon against hair to build up a negative charge and then hold this near a stream of water and then a stream of treacle. They both bend towards the...

We create a rapidly expanding column of foam by mixing chemicals. Hydrogen peroxide and detergent are added to potassium iodide and food colouring to set off a reaction that creates vibrant expanding foam. Chemistry - Reactions -...

Discover that altering the number of successful collisions between particles is key to changing the rate of chemical reactions. How this can be manipulated? Chemistry - ReactionsLearning Points. New substances are made when particles...

What are shares, and what affects their price? Discover why share price is not only dictated by monetary value, and why this makes trading a risky business. Maths - Statistics And Probability A Twig Math Film. Reinforce and extend the...