Professor Dave Explains
Practice Problem: Density of a Gas
If we can use the ideal gas law to find the molar mass of a gas and therefore identify the gas, what can we do with the density of a gas? Well, pretty much the same thing, it just involves one extra calculation, so let's give it a try!
Curated Video
The Cardiac Cycle Phase 1 - Atrial Systole Made EASY!!
The first phase of the Cardiac Cycle is Atrial Systole. In this phase, we see a number of things happening. We take a look at the P wave of the electrocardiogram, the pressure changes in the atria and ventricles, as well as the volume of...
Rachel's English
Top 5: Tips for TH
Your pronunciation is a critical aspect if you hope to learn English and become fully fluent. I’m a pronunciation master-teacher with more than 10 years of teaching students like you how to perfect the pronunciation of every sound in...
Curated Video
How Do Deep Sea Fish Survive the Extreme Pressure?
Fishes survive underwater pressure as they do not breathe through their lungs. Therefore, they do not have air pockets that can be compressed due to the high pressures. However, fish aren’t the only creatures found at such incredible...
Physics Girl
World's Only Moving Mud Puddle
Want to support more videos like this? Patreon.com/physicsgirl A mud puddle started moving across the California desert, and no one knows why. Dianna visited the mud spring to find out how a puddle became declared a natural disaster....
Food Farmer Earth
Pressure Canner Basics Excerpt
Retired Oregon State University extension food preservation educator runs through the basics of operating a pressure canner to can low acid foods.
Curated Video
What Is Tempered Glass? How Does It Break?
Tempered glass is stronger than regular glass and can withstand higher temperatures. It is also manufactured in a way that causes it to break into smaller pieces, which is safer than regular glass shattering into large shards. Unlike...
Curated Video
The Cardiac Cycle Phase 2 - Isovolumetric Ventricular Contraction
The cardiac cycle looks at all of the things that happen from the beginning of one heartbeat to the beginning of another. Phase 2 of the cardiac cycle is called Isovolumetric Ventricular Contraction. We cover the QRS complex of the EKG,...
Curated Video
062 Pressure Changes during Breathing
In this video, Leslie talks about the pressure changes in the Thoracic, Pleural and Pulmonary cavity and how they change during breathing. Enjoy!
Physics Girl
HOME CHALLENGE: 20 Easy Experiments in 5 mins for Bored Adults and Kids at School Inside
Are you a bored adult or a parent stuck at home? Try these DIY science experiments! SAFETY TIPS FOR TEA BAG ROCKET • Flammable surfaces: DO NOT light tea bags on a flammable surface. Experiment should be conducted on a fireproof surface,...
Curated Video
Blood Pressure and Mean Arterial Pressure
In this episode, Leslie first defines what blood pressure is and shows how it varies in the blood vessels throughout the body. He then shows what Mean Arterial Pressure is and goes into two different ways to calculate it.
Curated Video
Net Hydrostatic Pressure and Filtration Pressure
In this episode, Leslie explains what Net Hydrostatic pressure is and how to calculate it. He also shows how filtration pressure is determined by Net Hydrostatic Pressure and Osmotic pressure. Lastly, he shows how High Blood Pressure can...
Curated Video
Pressure Reflexes and Mean Arterial Pressure
What happens when Mean Arterial Pressure goes to high? Baroreceptors fire, signal goes to the medulla, parasympathetic activity goes up, Sympathetic Activity goes down, which ends up resulting in an increase in Mean Arterial Pressure....
Brainwaves Video Anthology
Wendy Grolnick - Pressured Parents, Stressed Out Kids
Dr. Grolnick is interested in motivational development in children and adolescents. Her research focuses on how social contexts (e.g., homes, schools) facilitate children's autonomous motivation, in which they regulate their own behavior...
TLDR News
Johnson's Disastrous Week: Is This the End for Johnson?
UK Prime Minister, Boris Johnson, has been on the ropes for a while now - besieged by scandal after scandal. The latest may well be his last though, with high profile figures resigning and telling him to give up... so is it really all over?
TLDR News
How Truss U-Turned on Everything: This Must Be the End?
After replacing Kwasi Kwarteng as Chancellor, Jeremy Hunt has ditched basically every one of the policies in his mini-budget. But after another major and embarrassing u-turn from Truss, is her position as Prime Minister becoming...
TLDR News
Trump vs DeSantis: The Battle that could kill the Republicans
With the midterm results in, Florida's Ron DeSantis looks set up for a battle with former President Trump. The pair's determination to take over the Republican party could actually tear the whole party in two... so who's going to win &...
TLDR News
Why Tony Blair Wants To Get Rid of Exams
With the pandemic highlighting potential issues with the UK's Education system, the Tony Blair Institute has put forward ideas to reform exams. So what are they suggesting? Are they feasible ideas? And most importantly, would they...
JJ Medicine
Eustachian Tube Dysfunction (“Popping Sound in Ears”) | Causes, Symptoms, Diagnosis, Treatment
Eustachian Tube Dysfunction (“Popping Sound in Ears”) | Causes, Symptoms, Diagnosis, Treatment Eustachian Tube Dysfunction is a relatively common condition involving issues with the proper functioning of the eustachian tube, which is a...
The Guardian
Super dogs: the race to win America’s most famous dog show
You've seen them on TV – the dogs who run, jump, balance and zigzag on specially designed obstacle courses in the ultra-competitive sport of dog agility. We meet the dedicated handlers looking for major honours at the world famous...
Brave Wilderness
Deadliest Job In The World - Snake Milker Top 10!
The ULTIMATE Snake Milking Compilation! We packed all of our most intense, super deadly snake milking adventures from the World's Deadliest Job series into one video! Featured here are ten highly venomous snake species. The importance of...
Curated Video
The Cardiac Cycle is SO EASY! Stop Making it Hard!
Are you struggling to understand the Cardiac Cycle? Well, struggle no more. In this video, I walk you through the entire thing, but instead of making it complicated, we make it simple (and easy to understand).
Curated Video
What Is Hypertension?
In this video, we cover hypertension. We're going to deal with things like Cardiac Output, peripheral resistance, stroke volume and heart rate, and talk about how those values are related to blood pressure. We also deal with the symptoms...