Catalyst University
Biosignaling - G-protein-coupled Receptors PLC, DAG, & IP3
Biosignaling - G-protein-coupled Receptors PLC, DAG, & IP3
TMW Media
Traveling Desert Sand: Learn how sand makes ice form in clouds
How do researchers determine which particles attract water? How are sand clouds interupting the creation of hurricanes? Traveling Desert Sand, Part 3
Healthcare Triage
Good News! Smoking is on the Decline, and You Don't Need that Vitamin D Test!
Smoking prevalence is way down in the US, and you likely don't need to be screened about Vitamin D deficiency. It's good news all around on Healthcare triage News.
The Backyard Scientist
Rainbow Colored Flame(thrower) Science Experiment!
Today I am going to show you how to make rainbow colored flames out of household materials. Whats your favorite color??? Lithium from batteries burns red, Calcium chloride in Damp-Rid burns orange, Sodium in table salt burns yellow,...
Healthcare Triage
Even MORE Studies Confirm, Calcium Still Doesn't Prevent Fractures
There are a few topics that just never get old for me. "Pay for performance". "overtesting". "medical myths". And, of course, my never-ending war with the milk industrial complex.
Curated Video
Why Can’t You Clench Your Fist Right After Waking Up?
When you wake up, it takes some time to get the electrolytes flowing through the muscles in your hands again. That’s why you may not be able to make a fist right after waking up. This effect is more pronounced if you don’t wake up...
Catalyst University
Major Parts of Long Bones | Compact & Spongy Bone Histology
In this video, we will discuss the major parts of long bones. Then we take a look at the histology of compact (cortical) and spongy (trabecular) bone.
Curated Video
Understanding Atom Economy and Efficiency of Chemical Reactions
This video discusses the efficiency of chemical reactions and the concept of atom economy, which is a method of measuring how efficiently a reaction uses the atoms from the reactants. The speaker provides examples and calculations to...
FuseSchool
Testing for Hydrogen, Oxygen, Carbon Dioxide, Ammonia and Chlorine
Ever wondered how to conduct a chemical test for the presence of colourless and odourless gases? Watch this to find out how!
The Noted Anatomist
Acetylcholine. ACh
This video tutorial discusses the Acetylcholine also known as ACh. 0:00. Intro to ACh 0:21. What is ACh? 0:41. What neurons release ACh? 1:47. Synthesis of ACh - 3:05. Hemicholinium 3:31. Storage of ACh - 5:07. Vesamicol 5:35. Release of...
TMW Media
Properties Of Water: How water sustains living things
How do plants use water to live and grow? How does water help the human body? What food contains the highest amount of water? Properties Of Water, Part 3
Curated Video
Calculating Theoretical Yield in Chemical Reactions
The video is a tutorial on how to calculate theoretical yields in chemistry. The host explains the concept of theoretical yield as the maximum mass of product that can be formed during a reaction when assuming the reaction has gone to...
Catalyst University
Excitation-Contraction Coupling in Skeletal Muscle [Part 1/2]
Part 1 of 2 of excitation-contraction coupling | In this video, we discuss excitation-contraction coupling from events on the motor neuron axon all the way through opening of calcium channels in the sarcoplasmic reticulum (SR).
Catalyst University
Mechanisms of β1-blockers, Calcium-channel Blockers, & α-blockers
In this video, we will be exploring the mechanisms of action of several antihypertensive drugs that act in the cardiovascular system and on the heart: β-blockers, calcium-channel blocker's, and α-blockers.
Healthcare Triage
Healthcare Triage Questions #1
This week, Healthcare Triage presents its first questions video! Many of you submitted questions over Twitter, and John and Aaron sat down to answer them. Hilarity sometimes ensues. Make sure you get your question in next time if you...
Planet PE
GCSE PE 5 a day revision vol 20- Bones
Here is volume 20 of the planet pe 5 a day gcse pe revision questions. As we move towards the exam in a few weeks time I will be posting 5 questions each day to help test your revision. Place your answers in the comments section and...
Catalyst University
The Cardiomyocyte Action Potential [Part 2]: Physiological Events in Cell
In this video, we will explore the physiological events in the cardiomyocyte that occur during the cardiac action potential. What occurs during each phase of the action potential?
msvgo
Water
This explains structure and properties of water including hardness of water and methods of removing the hardness.
Catalyst University
Psilocybin | Biosynthesis, Mechanism of Action, & Metabolism
In this video, we explore the biosynthesis of the psychedelic drug, psilocybin, and its mechanism of action, metabolism, and elimination.
Institute of Human Anatomy
Debunking Myths About Bodies After Death
In this video, the teacher debunks common myths about what happens to the human body after death. Through dissections and explanations of anatomy and physiology, the teacher explains why hair and nails don't continue to grow after death...
Catalyst University
The Mechanism of Insulin Release by Pancreatic β-cells
This video dissects the mechanism by which the Pancreatic β-cells sense blood glucose levels and secrete a proportional amount of insulin through negative feedback.