Curated Video
I WONDER - What Job Do The Bones Do?
This video is answering the question of what job do the bones do.
Professor Dave Explains
Classification of Sedimentary Rocks Part 2: Biogenic Rocks
We talked about siliciclastic rocks, so now let's talk about biogenic rocks. These are sedimentary rocks that are derived from the skeletal materials of living organisms. That's right, rocks made of things that were alive! The most...
Professor Dave Explains
Classification of Sedimentary Rocks Part 3: Chemogenic Rocks
With siliciclastic and biogenic rocks covered, that leaves only chemogenic rocks to finish up with sedimentary rocks in general. These are rocks that precipitate from natural waters, usually due to evaporation. How does this occur, and...
Curated Video
Endocrine System: Glands and Hormones
This video was sponsored by Brilliant. To try everything Brilliant has to offer—free—for a full 30 days, visit http://brilliant.org/ScienceABC/. The first 200 of you will get 20% off Brilliant’s annual premium subscription. Your body...
Curated Video
How the Heart Contracts - Step by Step
Let's dive into the cardiac action potential and how it results in the contraction of the heart. We'll talk about the signal that starts at the SA node and spreads throughout the heart. We'll also get into the phases of depolarization,...
Curated Video
The Pacemaker of the Heart - SA and AV Nodes Made EASY!
In this video, I talk about the pacemaker potential of the heart. We're going to dig into the SA and AV Nodes, how they work, and what happens when things go wrong.
msvgo
Some Important Compounds of Calcium
This nugget explains some important compounds of calcium and the biological importance of magnesium and calcium
Catalyst University
Cardiac Muscle Physiology T Tubules and Calcium-induced Calcium Release
Cardiac Muscle Physiology T Tubules and Calcium-induced Calcium Release
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...
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...
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!
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.