SciShow
7 Ways Humans Change Color
We're all used to our bodies being more or less the color they always are. But there are a few different medical reason you may be seeing rainbow in the mirror, from benign to medically concerning. Here's just some of the reasons that...
SciShow
Coriolis Effect: IDTIMWYTIM
Does your toilet water drain differently than in the other hemisphere? Is it because of the Coriolis effect? Hank has some things to clarify about these questions, and more in this edition of I Don't Think It Means What You Think It Means.
SciShow
NASA Needs You
Hank usually likes to keep science and politics separated, but the reality is that a lot of scientific research in the United States is funded by the government. This is a problem right now because the disfunction in the world of...
SciShow
Can Hypnosis Actually Change Your Brain?
What exactly is hypnosis? Some people think it's just a fun trick for magic shows, but can it actually make you do things against your will? Learn all this and more with Michael Aranda in a new episode of SciShow!
SciShow
Are Hand Dryers Sanitary?
Public bathrooms are teeming with microbes! You know to wash your hands, but when choosing between a hand dryer or a paper towel to dry them off— what’s your cleanest bet? Hosted by: Hank Green
SciShow
What Is Taurine and Why's It in My Energy Drink?
Energy drinks- you've had them, or at least you're well aware of their presence in today's culture. But what is actually in these things? Especially the mysterious ingredient TAURINE?
SciShow
Are Blue Eyes Endangered?
SciShow explains the genetics -- and physics -- behind why blue eyes are blue, and what the future may be for the trait. Spoiler alert: Blue eyes aren’t really blue! SciShow explains!
SciShow
The Truth About the Gut to Brain Connection
There aren't many bodily connections as powerful as the gut to brain connection. Why? Watch this new episode of SciShow hosted by Olivia Gordon to learn about the immense power of the microbiome!
SciShow
Life-Changing Birdsong
Bird parent's calls can change how their babies develop! And, do you learn faster when playing a game to benefit yourself or other people?
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...
SciShow
Can Your Environment Affect Your DNA? | Epigenetics Explained
Did you know that your environment and lived experiences can actually affect your DNA? Welcome to the world of epigenetics! In this fun episode of SciShow, Hank & his clone Circus Hank explain the power of epigenetics, which studies the...
SciShow
Why Do Women Live Longer Than Men?
Evidence strongly suggests that men have, on average, a shorter lifespan than women, but scientists aren't exactly sure why that is. Check out today's QQ to learn more about this mortality mystery.
SciShow
Why Did You Skip a Period?
Have you had a normal menstrual cycle and then you suddenly miss a period? There are different reasons why this can happen, and if you don't experience a period you were expecting, you’ll probably want to talk to your health care...
Crash Course
What Is Outbreak Culture? Crash Course Outbreak Science
When we think of how we respond to outbreaks, we often think of physical things like vaccines or medicines, but there is another factor that is just as critical to understand: culture! Culture determines how we collaborate and use the...
SciShow
Can Trauma Be Inherited?
Trauma doesn't just affect the person who originally experienced it. It can also be passed down to their children and grandchildren.
SciShow
Does IQ Really Measure How Smart You Are?
People say Einstein had an IQ of 160, and you need an IQ score higher than 130 to join Mensa. But does IQ really measure how intelligent you are?
Bozeman Science
Practice 3 - Planning and Carrying Out Investigations
Paul Andersen explains how investigations are used by scientists to answer questions and by engineers to test designs. He delineates be investigative and observational science. He demonstrates the formation of a good question the design...
TED-Ed
TED-ED: Could a breathalyzer detect cancer? - Julian Burschka
How is it that a breathalyzer can measure the alcohol content in someone’s blood, hours after they had their last drink, based on their breath alone? And could we use this same technology to detect disease by analyzing a person’s breath,...
SciShow
What Do 'Smart Pills' Really Do to Your Brain?
Nootropics are a group of chemicals that supposedly make you “smarter” without any side-effects. But don’t rush into it yet! It might be still too experimental to test it out.
SciShow
Your Brain Makes Its Own Pot
Hank tells us about two interesting new studies that explore the brain and its interaction with drugs, investigating how cannabinoids can repress fear, and bringing forth a possible vaccine for cocaine addiction.
SciShow
Your Favorite Food May Have Been Decided Before Birth
If you’re a huge fan of garlic, it turns out your time in the womb might be at least partly responsible!
Bozeman Science
Thinking in Causation - Level 3 - Causal Relationships
In this video Paul Andersen shows conceptual thinking in a mini-lesson on causal relationships. TERMS: Cause - a thing that gives rise to an event Effect - an event Relationship - interconnection between parts of a system This...
SciShow
Krokodil, fake pot and the real chemistry of drugs
Time Magazine has called it "the most horrible drug in the world," and last month, it hit the US. Because seriously, why would you take a drug that rots your flesh, bones, and brain?!
SciShow
This Diagram of Earth Is a Lie
When you learned about the Earth’s interior in school, you were probably shown a diagram that looked like a perfect layer cake. But we've known for a long time that that diagram is... inaccurate at best, and leaves out information that...