SciShow
Bath Salts
Hank talks about the scary new drug that's led to some recent incidences of goat stabbing, as well as other tragedies - bath salts. We learn how it works and ask the important question: why?
SciShow
Why Do We Stretch in the Morning?
Humans (and our pets) frequently instinctively stretch as soon as we wake up. But why? What is happening in our bodies when we stretch and yawn to wake ourselves up?
TED-Ed
TED-Ed: The psychology of post-traumatic stress disorder - Joelle Maletis
Many of us will experience some kind of trauma during our lifetime. Sometimes, we escape with no long-term effects. But for millions of people, those experiences linger, causing symptoms like flashbacks, nightmares, and negative thoughts...
Crash Course
Blood Vessels, part 2: Crash Course A&P
And now we return to blood vessels. In this episode, we start discussing what blood pressure is, how it can become "high", and what that means for our health. One of the more interesting points is that your body has ways of dealing with...
SciShow
How AI Can Save Lives | SciShow Compilation
Artificial intelligence is rapidly becoming an integral part of our everyday lives. Here’s a number of ways in which it manages to make life better for us humans.
Amoeba Sisters
Nervous System
Join the Amoeba Sisters on this introduction to the Nervous System! This video briefly describes the division of the central nervous system (including going over some general areas of the brain) and the peripheral nervous system before...
SciShow
Why Do I Feel Lightheaded When I Stand Up?
Have you ever stood up and felt a bit dizzy and lightheaded? Learn why it happens in this SciShow Quick Question!
TED-Ed
TED-Ed: How high altitude affects your body | Andrew Lovering
If you teleported from sea level to the top of Mount Everest, things would go bad fast. At an altitude of 8,848 meters, you would likely suffocate in minutes. However, for people that make this journey over the course of a month, it's...
Crash Course
Great Glands - Your Endocrine System: CrashCourse Biology
Hank fills us in on the endocrine system - the system of glands which produce and secrete different types of hormones directly into the bloodstream to regulate the body's growth, metabolism, and sexual development & function.
SciShow
Do You Have a Maximum Heart Rate?
Does your heart rate have an upper limit and could you ever reach it?
Crash Course
The Nervous System - CrashCourse Biology
Hank begins a series of videos on organ systems with a look at the nervous system and all of the things that it is responsible for in the body.
Curated Video
ADHD Meds & Heart Attack Risk: Is Your Medicine Safe?
This video provides a thorough understanding of Adderall's sympathomimetic actions, the risk factors for those with pre-existing heart conditions, and the significance of dosages. Dr. Marks also examines the findings of a 2022...
Curated Video
Melatonin and Sleep
Melatonin regulates our sleep cycle and during puberty this hormone becomes imbalanced. Could this be why teenagers are moody? Biology - Being Human - Learning Points. The hormone melatonin regulates the circadian rhythm - the body's...
Curated Video
Harmful Drugs: Ecstasy
Ecstasy, also known as MDMA, is one of the most commonly used harmful drugs. How does the drug affect the brain and body, and what are the long-term repercussions associated with its use? Biology - Healthy Living - Ecstasy is a drug...
Curated Video
Stimulating Daphnia
We examine the effects of different temperatures and chemicals on the heart rate of Daphnia. A microscope is used to let us see the Daphnia\u2019s heart and establish the heart rate under normal conditions. The heart...
Curated Video
What is Fitness?
Discover why fitness is not always obvious from appearance. Rather, it is a measurement of how well your body operates on a daily basis. Find out how BMI, heart rate and blood pressure indicate how fit you are. Biology - Healthy Living -...
Curated Video
The Heartbeat Formula
The elephant and shrew might be very different animals, but they share the same number of heartbeats in a lifetime. Discover the formula that can predict wild mammals' lifespans. Maths - Algebra A Twig Math Film. Reinforce and extend the...
Science Buddies
The Taylor Swift Challenge
Based on Taylor Swift's Eras Tour treadmill workout, in this science project you will find out how talking and singing impact people's speed or heart rate while running.
Curated Video
Nervous System Explained In Simple Words
Your nervous system is why you can see this video, scratch your neck, feel hungry and ask yourself, “Who am I?” The human nervous system is a fascinating system with 86 billion neurons and about the same number of glial cells. The main...
Curated Video
The Art of Holding Breath: Secrets of Free Divers
Dive deep into the world of free divers like Stéphane Mifsud, who can hold his breath for over 11 minutes underwater. This segment explores the physiological and mental training that enables such incredible feats, including enhanced lung...
Curated Video
Understanding Anger: Effects on the Body and Mind
Explore the physiological and psychological effects of anger, from the rush of adrenaline and increased heart rate to the long-term impacts on health. Learn why managing anger is crucial for both mental and physical well-being. This...
Curated Video
The Surprising Benefits of Regular Physical Activity
Explore the multifaceted benefits of regular exercise beyond just physical fitness. This documentary dives into how sports enhance immune function, boost memory, and increase overall brain health. Featuring comparisons between an average...
Learning Mole
How Does it Work? - Fitness Trackers
This video is explaining how fitness tracker works for kids.
Curated Video
Get Up and Get Going
Dr. Forrester teaches about your circulatory system and muscular system.