TED Talks
TED: The untapped energy source that could power the planet | Jamie C. Beard
Deep beneath your feet is a molten ball of energy the same temperature as the surface of the sun -- an immense clean energy source that could power the world thousands of times over, says technologist and climate activist Jamie C. Beard....
Bozeman Science
PS3B - Conservation of Energy and Energy Transfer
Paul Andersen explains how energy is conserved within a system. In both macroscopic and microscopic collisions the amount of energy before the collision is equal to the amount after. He then defines heat as energy transfer between...
Curated Video
Fluid mosaic model of the cell membrane
The plasma membrane is a complex structure made up of macromolecules that come together to form a fluid mosaic. In this video, we will look at the structure, properties and functions of the fluid mosaic model.
Curated Video
Plasma membrane: the security guard of the cell
The plasma membrane or cell membrane is an intricate structure made of macromolecules that work together to protect the cell. Think of it as the security guard of the cell - letting important substances in, and letting others out.
Curated Video
The Science Behind Cracking Joints: Why Do They Make that Popping Sound?
This video explains the cracking or popping noise that occurs when we crack our knuckles or other joints. It reveals that the sound is caused by gas bubbles being released between the joints and that this happens because of the movement...
Curated Video
Mastering Safe Falls in Extreme Mountain Biking
Join the adventure as participants learn how to fall safely while mountain biking. Equipped with protective gear and guided by experts, they explore the techniques and science behind preventing injuries. Discover the role of...
Curated Video
What Makes These Dunes Sing?
Why do dunes sing? Head into the mysterious world of sand with host Joe Hanson! Along the way we meet Dr. Melany Hunt and Dr. Nathalie Vriend who solved the longstanding mystery of why dunes sing.
Science ABC
Archimedes Principle: Explained in Really Simple Words
Archimedes principle states that if an object is submerged in a fluid, then the buoyant force acting on it is equal to the weight of the fluid displaced by that object. Buoyant force exists because pressure increases as an object goes...
Curated Video
Convection
The transfer of heat in a fluid by movement of the fluid itself. 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...
Curated Video
Vesicle
Usually referring to a pocket of liquid within the cytoplasm of a cell, which is used to enclose and transport chemicals. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Amniotic fluid
A clear, yellowish fluid that surrounds the developing foetus in the amniotic sac within the mother's womb. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Diffusion
The spread of particles from an area of high concentration to an area of low concentration. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Filtration - Solid-Fluid Separation
The physical separation of a solid from a fluid carrier, either gas or liquid, by passing it through a medium that blocks particles above a certain size. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
Curated Video
Lithosphere
The upper layers of the Earth, consisting of the crust and upper mantle, as opposed to the more fluid lower mantle and core. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Vacuole
A fluid-filled compartment inside a cell, surrounded by a membrane. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Fluid
A substance that is able to flow freely. 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 concepts and key...
Curated Video
Buoyancy: The Forces That Determine Why Objects Float or Sink
Discover the forces at work underwater, which dictate why large boats float but small pebbles sink. Physics - Forces - Learning Points. The buoyant force is an upward-acting force determined by the weight of the displaced water. Ships...
Curated Video
Streamlined: Dolphins vs People
Discover the differences in evolutionary adaptation between dolphins and humans, which allow these marine mammals to move through water far more easily and efficiently than us. Physics - Forces - Learning Points. Dolphins can swim faster...
Curated Video
How We Balance: Part 1
It can take years before our limbs and brain work together well enough to achieve good balance. What role do our ears play in helping us to meet this incredible challenge? Biology - Being Human - Learning Points. Our sense of balance is...
Curated Video
Kidneys
Learn about how the kidneys function, regulate the salt levels in our bodies, filter our blood, and ultimately keep us alive. Biology - Human Body - Learning Points. The kidneys are located just below the ribs - one on each side of the...
Curated Video
How We Hear
How our ears hear different frequencies, and how they work with the brain to turn these into sounds which we understand. Biology - Being Human - Learning Points. Sounds are simply movements of air molecules. Our ears are extremely...
Curated Video
Friction
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...
Curated Video
Asellus Blood Flow
We use a microscope to examine the blood flow in the open circulatory system of asellus aquaticus. We are able to see the haemolymph moving through its limbs in different directions. Biology - Human Body - Learning Points. Large...
Curated Video
Buoyancy: Upward Force from Surrounding Fluid
The upward force exerted on an object by the fluid which surrounds it. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...