SciShow
Why Diet Might Be a Big Deal for Mental Health
Mental health is super complicated. And many things, from your genetics to your environment, can affect it. But what you EAT might be having a big impact on your mental health, too.
Crash Course
Ecology - Rules for Living on Earth: Crash Course Biology
Hank introduces us to ecology - the study of the rules of engagement for all of us earthlings - which seeks to explain why the world looks and acts the way it does. The world is crammed with things, both animate and not, that have been...
SciShow
The Science of Tear Gas
There’s a lot of confusion about tear gases—what they are, what they do, and whether they can cause long-term harm. Here's what we know.
SciShow
Why People are Always Fighting Over the Thermostat
Negotiating thermostat settings can be really frustrating, but your officemate isn't trying to freeze you out on purpose. Stefan explains the science behind why people experience temperatures differently. Fun fact: Stefan wears a jacket...
PBS
Is Sad Music Actually Sad?
Be it Elliott Smith or Queen, classical or dub step, there's usually a clear understanding that some songs are sad, and some songs are happy. But what is it about the music that makes us feel these feelings we're feeling?
TED Talks
TED: How adaptive clothing empowers people with disabilities | Mindy Scheier
Do you have a favorite T-shirt or pair of jeans that transforms you and makes you feel confident -- makes you feel like you? That's because what you wear can affect your mood, your health and your self-esteem, says fashion designer Mindy...
SciShow
How To Make Eyewitness Testimony More Reliable
Eyewitness testimony can be really important when investigating crimes, but how can we make them more reliable?
TED-Ed
TED-Ed: How stress affects your body - Sharon Horesh Bergquist
Our hard-wired stress response is designed to give us the quick burst of heightened alertness and energy needed to perform our best. But stress isn't all good. When activated too long or too often, stress can damage virtually every part...
Bozeman Science
ESS2E - Biogeology
In this video Paul Andersen explains the topic of biogeology. Life only exists where the geosphere, hydrosphere and atmosphere allow life to exist. The interactions between the organisms on the planet and the planet itself is known as...
SciShow
An Alzheimer’s Drug That Doesn’t Treat Alzheimer’s?
In 2021, the FDA approved a treatment that claims to stop Alzheimer's at the source, removing the plaques in the brain long thought to cause the symptoms of the disease. But, as is often the case, things are more complicated than they...
Crash Course Kids
The Life Hydrologic
Last week we went up up up a mountain. Well, today we're going down down down into the ocean to see what habitats await us there. Yep, the ocean has layers and the types of things we encounter there change the deeper we go.
SciShow
How Liver Problems Can Lead to Brain Disease
We tend to focus on the brain in psychology, but it's part of an entire system! Other organs, even your liver, play a big role in psychological health.
SciShow
Why Does Rubbing Tired Eyes Feel Good?
It can be a wonderful feeling to give your tired eyes a good rub. And rubbing your eyes can help keep them moist, but it turns out it also can affect your heart rate.
SciShow
Why Up Matters to Your Brain
Gravity may be doing a lot more than just keeping us planted on the Earth. Scientists are learning that it’s also a key player in how we perceive things.
TED Talks
Carl Safina: The oil spill's unseen villains -- and victims
Even as the Deepwater Horizon tragedy unfolded, Carl Safina took the stage at TEDxOilSpill to share what the facts were known at the time. In a blood-boiling cross-examination, he suggests that the consequences will stretch far beyond...
SciShow
3 Surprising Ways Your Intestines Affect You
Your digestive system impacts the rest of your body in all sorts of unexpected ways, from keeping your heart healthy to literally making you feel happier.
TED-Ed
TED-ED: How memories form and how we lose them - Catharine Young
Think back to a really vivid memory. Got it? Now try to remember what you had for lunch three weeks ago. That second memory probably isn't as strong-but why not? Why do we remember some things, and not others? And why do memories...
SciShow
World's Most Asked Questions How Can I Fall Asleep
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How Can I Fall Asleep?” Allow us at SciShow to explain.
SciShow
Why Do Some People Love Horror Movies?
Fear is strong negative feeling and a good way for our brains to keep us out of danger, so why do some people seek it out by watching horror movies?
Crash Course Kids
Weather Channels
Why is my weather app sometimes wrong? Well it has a lot to do with wind. Jet Streams, air cells, the shape and movement of the Earth... there are a lot of things that make weather a little unpredictable. In this episode of Crash Course...
SciShow
Intersex Across the Animal Kingdom
Do you think animals can be divided into two biological sexes: female and male? Well, it's way more complicated that that!_
SciShow
Using Galaxy Clusters to Look Into the Past
Gravitational lensing has given us a look at a galaxy in the very, very distant cosmic past using x-ray light, and NASA finally got its ICON mission off the ground!
SciShow
The Quantum Theory that Connects the Entire Universe
Quantum mechanics is weird and seems a bit...complicated. But understanding it can help us to understand the universe.
Bozeman Science
Health Impacts of Pollution
In this video Paul Andersen explains how chemicals can cause both chronic and acute diseases. A discussion of the five main types of toxins; neurotoxins, carcinogens, teratogens, endocrine disruptors, and allergens is including. The LD50...