Curated Video
How Did Saturn Get Its Rings?
Since Galileo first sighted Saturn, scientists have been baffled by its beautiful rings. What are they made of and where did they come from? Physics - Our Solar System - Learning Points. Saturn's rings were first discovered by Galileo in...
Curated Video
Carbon: Buckminsterfullerene
Discovered in 1985, Buckminsterfullerene has some fascinating characteristics. What is it and how is it shaping the future of chemistry? Chemistry - Atoms And Bonding - Learning Points. In the 1980s, a new carbon allotraope was found -...
Curated Video
What is a Cell? - Life’s Building Blocks
Every living thing on our planet, from plants to animals, is made up of cells. Cells are the building blocks of life, but what are they and how do they work? Biology - Cells And DNA - Learning Points. All cells have vital genetic...
Curated Video
Earth's Twin
Billions of years ago, Earth collided with its twin planet Theia. The impact and resulting geophysical changes prepared Earth for complex life. Physics - Our Solar System - Learning Points. 4 billion years ago Earth had a twin called...
Curated Video
Cloud in a Bottle
We create a cloud in a bottle using warm water and smoke. Some warm water is placed in a plastic bottle and then some smoke is drawn in using a glowing splint. The bottle is sealed and then squeezed and released. The change in pressure...
Curated Video
How Do Caves Form?
A look at caves of all shapes and sizes: how do they form? And what creates the strange stalactite and stalagmite structures that can be found inside? Earth Science - Geology - Learning Points. Caves are natural underground holes carved...
Curated Video
What is an Orbit?
How the orbit of the planets is dictated by mass and the force of gravity. Physics - Our Solar System - Learning Points. The curved path of one object around another is its orbit. Objects orbit due to the effects of gravity. The...
Curated Video
Glaciers - Moving Ice Masses
Glaciers are a destructive force, moving slowly across landscapes, reshaping them as they go. Earth Science - Geology - Learning Points. Over three-quarters of Earth's fresh water is locked in frozen reservoirs, known as glaciers....
Curated Video
How Do Snowflakes Form?
A blizzard creates a blanket of snow. Look closer and the true beauty of individual snowflakes can be seen. How are different shapes of snowflakes formed and why are they always perfectly symmetrical? Chemistry - Atoms And Bonding -...
Curated Video
Fossil Fuels: Formation
Where does our natural gas, coal and oil actually come from? Discover the processes that created our modern fossil-fuel reserves, which began millions of years ago. Earth Science - Earth's Resources - Learning Points. Fossil fuels are...
Curated Video
Extrusion
The process of magma coming to the surface, either in steady flows or violent eruptions, and cooling to form rocks. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Allenes and Optical Activity: A Surprising Twist!
Allenes are compounds with a unique structure characterized by two adjacent double bonds (C=C=C). Despite having no traditional chiral centers, certain substituted allenes can exhibit chirality and optical activity due to their rigid,...
Curated Video
Carbocation Stability: The Power of Hyperconjugation
Hyperconjugation plays a significant role in stabilizing carbocations, where adjacent alkyl groups donate electron density via sigma bonds to the positively charged carbon, spreading the charge and increasing stability.
Curated Video
Mesomeric Effect (+M): How Phenol Releases Electrons
The +M effect refers to electron donation through resonance, as seen in phenol where the hydroxyl group donates electrons into the benzene ring. This increases electron density in the ring and impacts reactivity and acidity
Curated Video
Resonance in Action: Bond Length, Acidity & More!
Resonance has far-reaching effects on molecular properties. It can equalize bond lengths, making double bonds longer and single bonds shorter than expected. It also stabilizes charged species, influencing acidity and basicity. For...
Curated Video
Pi-n Conjugation: Unlocking the Secrets of Molecular Stability
Pi-n conjugation occurs when a lone pair of electrons (n) interacts with a pi system, enhancing electron delocalization. This conjugation stabilizes the molecule, as the lone pair contributes to the overall resonance. Pi-n conjugation...
Curated Video
Bond Fission Explained: Homolytic vs. Heterolytic Splits
Bond fission, the process of breaking chemical bonds, can occur in two ways: homolytic and heterolytic. In homolytic fission, the bond breaks evenly, with each atom receiving one electron, resulting in the formation of free radicals. In...
Curated Video
Chemical Compounds: Salts
By the end of this learning object, the student will be able to: Explain the meaning of salts and their properties.14004
Wonderscape
The Grand Canyon and Parícutin Volcano: North America's Natural Wonders
This video takes you on a journey to two of North America's Seven Natural Wonders. Discover the immense scale and ancient history of the Grand Canyon, carved by the Colorado River in Arizona, and explore the story behind Parícutin, a...
Curated Video
Skilling Workers for a Sustainable Future
Loos-en-Gohelle, focused on future sustainability, has opened a new training center through the Auteuil Foundation. The center offers courses in wood construction, roofing, and low-energy building techniques, promoting eco-responsible...
Curated Video
Are Dimples Genetic Defects?
Dimples are universally considered a physically attractive feature. Contrary to this positive perception, it results from a genetic defect that gives rise to a double or bifid zygomaticus muscle underlying the cheeks. A dimple simply...
Curated Video
Why Can't Animals Talk Like Humans?
Talking is a unique thing. It is a combination of sounds and syllables arranged in various combinations and lengths to express various thoughts, emotions, ideas, etc. Apart from the basic production of the sound, a major component is the...
Curated Video
Drawing the Rock Cycle
Dr. Forrester explains the transformation of rocks during the rock cycle.
Curated Video
Landforms of the United States
Dr. Forrester explains the variety of landforms throughout the United States.