These videos evaluates several things based on: health, environmental wellness, and economic wellness. Products reviewed include: light pollution, phones, milk, Facebook, Big Macs and toilet paper. Note: this series was created by an insurance company.
Do you need help getting confidence to speak in class and make presentations? You can try listening to your body, watching and copying others actions, taking deep breaths, using humour and making positive statements. Check out this link to learn more!
After a concert, you find it difficult to hear your friend rave about the show because of the ringing in your ears. But the next morning, the effect has mostly worn off. So what caused these symptoms? And can you go to concerts without damaging your ears?
Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy?
Are you a left-brained person or a right-brained person? Spoiler: You're neither. Each of us uses both sides of our brain for most of what we do. But still, there are a number of brain functions that do show lateralization, where they are localized to one side or another. Why is this?
Try some fun ways to learn about how to protect your hearing from noise-induced hearing loss! Play a game or take a quiz to test how much you know about noise and when it becomes dangerous to your hearing.
More than 300 million people around the world suffer from asthma, and around 250,000 people die from it each year. But why do people get asthma, and how can this disease be deadly? Christopher E. Gaw describes the main symptoms and treatments of asthma.
Being hungry generates a powerful and often unpleasant physical sensation that’s almost impossible to ignore. After you’ve reacted by gorging on your morning pancakes, you start to experience an opposing force: fullness. But how does your body actually know when you’re full?
Inside you, a daily battle is being waged and your immune system is at the frontline. Most of the time, you may not even notice it's there, but over the course of your life your immune system will guard you against hundreds of potentially fatal threats
Today, glasses help millions of people with poor vision be able to see clearly. But how? Andrew Bastawrous and Clare Gilbert help unravel the answer by explaining refraction — the ability of a transparent medium, like glass, water, or the eye, to change the direction of light passing through it.
Over our lifetimes, our bodies undergo a series of extraordinary metamorphoses: we grow, experience puberty, and many of us reproduce. Behind the scenes, the endocrine system works constantly to orchestrate these changes. Learn more here!
Katharina Ribbeck reveals the mysteries of this transparent, shape-shifting layer that moistens and lubricates the vulnerable parts of our body while rendering us invisible to potentially deadly microbes.
Humans should urinate at least four to six times a day, but occasionally, the pressures of modern life force us to clench and hold it in. How bad is this habit, and how long can our bodies withstand it?
You're lifting weights. The first time feels easy, but each lift takes more and more effort until you can’t continue. Inside your arms, the muscles responsible for the lifting have become unable to contract. What’s going on?
Most of us don’t need more than one whiff to identify that generally unpleasant, characteristic smell we call body odor. But it’s a surprisingly complex phenomenon, influenced by our genetic makeup, age, diet, and hygiene. So what is this odor, exactly?
Fortunately, doctors today don’t resort to power tools to cure headaches, but we still have a lot to learn about this ancient ailment. Dan Kwartler shares what we know (and don't know) about headaches.
We have over 600 muscles in our bodies that help bind us together, hold us up, and help us move. Your muscles also need your constant attention, because the way you treat them on a daily basis determines whether they will wither or grow.
If you touch your face after touching a surface with a virus, the virus can infect you. But there are two extraordinarily simple ways you can keep that from happening: soap and water, and hand sanitizer. So which is better?
The average person experiences dozens of individual itches each day. We’ve all experienced the annoyance of an inconvenient itch — but have you ever pondered why we itch in the first place? Is there actually an evolutionary purpose to the itch, or is it simply there to annoy us?
Sometimes you see something on the Internet that makes you feel uncomfortable. It might happen when you are playing a game online or when someone texts you a bad picture. When something like this happens you need to tell an adult you trust.
What are spots that appear on some of our fruits and vegetables and are they okay to eat? Elizabeth Brauer explains why you may not need to be afraid of picking up your grocery store’s funky-looking fruit.