TED-Ed
TED-Ed: The fish that walk on land | Noah R. Bressman
We think of fish as completely aquatic animals. But there are actually hundreds of fish species that are amphibious, meaning that they possess adaptations that enable them to survive on land. Once on land, however, they face suffocation,...
SciShow
Make Your Own Edible Bubbles! | Spherification
Caviar or fruity ball? Whatever you like! Here’s a rundown of how to spherify your own edible bubbles and why they could help to reduce waste.
Crash Course
Respiratory System, part 1: Crash Course A&P
So we all know that breathing is pretty important, right? Today we're going to talk about how it works, starting with the nameless evolutionary ancestor that we inherited this from, and continuing to the mechanics of both simple...
Bozeman Science
Interstitial Fluid
Paul Andersen explains the importance and location of interstitial fluid. He describes both the hydrostatic and osmotic pressures that move fluid between the interstitial fluid and the capillary. He also explains the major function of...
Curated Video
How to Light a Portrait
Howcast - Learn how to light portraits from professional photographer Joe Sinnott in this Howcast photography tutorial.
The Business Professor
Diffusion of Innovations Theory
What is the Diffusion of Innovations Theory? Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread. The theory was popularized by Everett Rogers in his book Diffusion of...
Curated Video
Atom
The building blocks of all matter, being the smallest unit that retains the chemical properties of an element. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Agar Cube Diffusion
We use coloured agar cubes to see how different shapes change the rate of diffusion. The cubes are made using sodium hydroxide and phenolphthalein indicator to give them a pink colour. When these are added to hydrochloric acid, the...
Curated Video
Illuminating Innovations: Harnessing Natural Light in Urban Spaces
Discover how innovative technologies are revolutionizing the way we light our homes and workplaces without relying on electricity. This documentary explores the use of light tubes, fiber optics, and even bioluminescent plants to enhance...
Curated Video
Plant Hormones - Tropisms & Auxins #52
This video covers: - The idea that plants respond to their surroundings just like animals do - But that plants use local hormones rather than a nervous system - How auxins enable plants to respond to light (phototropism) and gravity...
Curated Video
GCSE Physics - Reflection #62
In this video we cover: - The three things that may happen when a wave hits the boundary between two materials - How to draw ray diagrams, including the angle of incidence, the normal, and the angle of reflection - That the angle of...
Curated Video
GCSE Biology - Structure of a Leaf and Stomata #50
In this video we cover how plants are organised, and then take a closer look at the leaf. We consider the different parts of a leaf and how it is adapted for its functions. We re-uploaded this video as the original had some unedited...
Curated Video
GCSE Biology - Gas Exchange and Lungs #26
Learn how the lungs and alveoli are adapted to carry out gas exchange.
Curated Video
Biology - Kidney Failure (Kidneys Part 3/3) #29
This video covers: - What happens when the kidneys stop working (kidney failure) - How we can treat kidney failure - What dialysis is, and how it cleans the blood - How a kidneys transplant works
Curated Video
Why turkey is hard to cook
Here's why cooking a turkey is so hard - and how brining can help.
The Business Professor
Diffusion of Innovations Theory
What is the Diffusion of Innovations Theory? Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread. The theory was popularized by Everett Rogers in his book Diffusion of...
Curated Video
Factors Affecting Diffusion and Fixed Law
This is an educational video that discusses the factors that affect diffusion, which is the process by which particles move from an area of high concentration to an area of low concentration. The video outlines three key factors that...
Curated Video
Transport of Substances in and out of Cells: Diffusion, Osmosis, and Active Transport
In this video, the concept of transport of substances into and out of cells is explained. The different ways in which this process occurs are discussed, including diffusion, osmosis, and active transport. The importance of surface area...
Catalyst University
Fick's First Law (1): Diffusion, Flux, and Concentration Gradients
Fick's First Law (1): Diffusion, Flux, and Concentration Gradients
Global Ethics Solutions
Respect and Fair Treatment: What To Do About Sexual Harasssment
When sexual-harassment occurs, it’s important to take action and not tolerate it! It can be difficult, stressful, and awkward to know what to do or say in the heat of the moment. This course key is practical tips and information to help...
Catalyst University
Type I Alveolar Cells, Respiratory Membranes, & Gas Exchange
In this video, we discuss how gas exchange occurs across the respiratory membrane at the alveoli and how this involves Type I Alveolar Cells.
Professor Dave Explains
Neural Conduction, Action Potential, and Synaptic Transmission
We have probably heard that neurons are the cells that transmit information around the body. But how does this work? Is it actual electricity? Like from the wall socket? What is a synapse? What happens there, in between one neuron and...
Curated Video
Understanding Transpiration and Its Importance to Plants
The video explains the process of transpiration in plants, which is the loss of water vapor from a plant through evaporation from the surfaces of the plant, mainly the lower surfaces of leaves. The video also explains the role of...
JJ Medicine
Polyarteritis Nodosa (PAN) | Signs & Symptoms, Diagnosis, Treatment
What is Polyarteritis Nodosa (PAN)? PAN is a vasculitis condition involving medium-sized vessels that leads to systemic symptoms involving a variety of organs and organ systems. These symptoms include constitutional symptoms, muscle...