SciShow Kids
Why Do We Laugh?
Knock knock! Who’s there? It’s Jessi and Squeaks exploring the science of why we laugh!
Curated Video
Muscle Fatigue: Why Do Muscles Shake When Lifting?
Muscle trembling during weightlifting or intense exercise is a result of muscle fatigue. Muscle fatigue, in simple words, refers to the state when our muscles get tired. To understand this phenomenon, it is better to first understand...
Curated Video
The Benefits of Cold Therapy for Muscle Recovery
In this video, we explore the concept of cold therapy and its benefits for muscle recovery after intense physical activity. We discuss two methods of cold therapy: applying ice to specific muscles and taking a cold bath. We also...
KnowMo
The Quadratic Formula: Solving Quadratic Equations
This video is a lecture presentation on the quadratic formula. The presenter explains the form of a quadratic equation and identifies the values of a, b, and c for a given example. The quadratic formula is then introduced and explained...
Curated Video
The Science Behind Exercise Fatigue: How Your Brain Protects You
Scientists have discovered that the reason exercise can be painful is not solely due to tired muscles, but rather a self-preservation mechanism in the brain. Interleukin 6, a chemical in the brain, signals when we are too tired to...
SciShow Kids
How Do Koalas Stay Cool? Animal Science for Kids
Koalas live where it’s often hot and dry. But koalas can’t sweat! So how do they keep cool? Jessi has the answer!
SciShow
Why Doesn't Your Sphincter Get Tired?
Keeping a muscle clenched usually tires it out eventually, but that’s not the case for sphincters, which do things a little differently.
KERA
Refugee Children Found a Home in Dallas
A young Dallas couple has decided to open their doors to refugee children in their neighborhood. They don’t run a daycare or an afterschool program, but host refugee children at their home for games, movies, and even homework. Their home...
msvgo
Prevention of Infection and Spoilage of Food
It explains infections caused by disease-causing microbes and describes methods of food preservation.
Curated Video
Understanding Retinal Fatigue
Staring at an image or screen for a long time tires our eyes out and can result in some strange visual affects. Explore the science behind this phenomenon and test your eyes on a few examples.
Curated Video
Why Does Traveling Make You Tired?
Travel Fatigue happens when your brain keeps your muscles engaged to account for small movements of the vehicle to ensure that your posture is properly maintained. These small movements cause your muscles to constantly work, which makes...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Optional Estimation: Ridge Regression
In this video, we will cover ridge regression.
Be Smart
Science of Marathon Running
So maybe we can't outrun cheetahs or antelope, but humans are uniquely adapted for long distance running. What does science have to say about marathon running? To find out, (and because I was feeling a little crazy) I decided to run one!...
Institute of Human Anatomy
Exercise & Sugar: When Sugar Can Be a Good Thing
In this video, Jonathan from the Institute of Human Anatomy explores the dynamics of sugar in the body, covering topics like monosaccharides, disaccharides, glucose, insulin, and the effects of exercise on sugar regulation. Discover how...
Curated Video
Dangers of smoking | Health | Biology | FuseSchool
Dangers of smoking | Health | Biology | FuseSchool Did you know that smokers are twice as likely to have a heart attack? And that one in two smokers will die from a smoking-related disease. In fact all of these things are negatively...
THINCPRO Basketball
Top 3 Stretches to DUNK in Basketball (Increase Your Vertical Jump)
Click Here for Your FREE Pro Jump Secrets TRAINING PROGRAM! ➤ http://thincprobasketball.com/jump-yt In this video we'll take you through the Top 3 Stretches that help prime your muscle groups for a strong and explosive Vertical Jump in...
Curated Video
What Too Much Exercise Does To Your Body And Brain
If working out is good for you, then working out more can only be better for you, right? Not quite. Too many trips to the gym or cardio sessions could actually undo all of those gains you've been working towards. Worse, they might be...
Psych2Go
5 Facts About High Functioning Anxiety You Must Know
Anxiety is a very normal response to stressful life events like moving, changing jobs or having relationship problems. However, when symptoms of anxiety become larger than the events that triggered them and begin to interfere with your...
FuseSchool
Dangers of smoking
Did you know that smokers are twice as likely to have a heart attack? And that one in two smokers will die from a smoking-related disease. In fact all of these things are negatively affected by smoking… pretty much every organ in your...
Science360
Computer scientist sees new possibilities for ocular biometrics
While many of us rely on passwords to protect our identity, there's more sophisticated identity recognition technology called biometrics that we could use. Security measures that use biometrics rely on a person's unique characteristics...
Next Animation Studio
The effects of a hunger strike on the body
In the first two to three hours of a hunger strike, the body uses up reserves of glycogen, glucose and fats. The person starts to feel weak and dizzy. In the first one to two days, the skin becomes pale, the breath smells of acetone, the...
Curated Video
The Importance of Calcium for Healthy Bones and Body Functions
This video highlights the essential role of calcium in the body beyond just building healthy bones. It emphasizes the importance of consuming adequate amounts of calcium through dairy products to support functions such as regulating the...
Learn German with Herr Antrim
What are the Most Common German Separable Prefixes & What Do They Mean?
In this video Herr Antrim explains what the most common separable prefixes in German are and how those prefixes change the meanings of the verbs to which they are attached. There are a ton of separable prefixes for German verbs, but the...