SciShow
The Bigger Stem Cells Are, the Harder They Fall
When it comes to our blood-producing stem cells, biologists have learned that bigger is not better. And a study has taken a look at the accomplishments and obstacles of an in-progress attempt to restore a large belt of degraded land...
Crash Course
Anti-Vaxxers, Conspiracy Theories, & Epistemic Responsibility: Crash Course Philosophy
Today we explore what obligations we hold with our personal beliefs. Hank explains epistemic responsibility and the issues it raises with everything from religious belief, to ship owning, to vaccinations.
Crash Course
You Know I’m All About that Bayes - Crash Course Statistics
Today we’re going to talk about Bayes Theorem and Bayesian hypothesis testing. Bayesian methods like these are different from how we've been approaching statistics so far, because they allow us to update our beliefs as we gather new...
SciShow
Blue Whales and The Smartphone Morality Experiment
Hank shares news about the biggest animal in the history of ever -- blue whales -- and explains the lessons learned in a new study of human morality, using smartphones.
TED Talks
David Peterson: Why language is humanity's greatest invention
Civilization rests upon the existence of language, says language creator David Peterson. In a talk that's equal parts passionate and hilarious, he shows how studying, preserving and inventing new languages helps us understand our...
SciShow
Can You Actually Become More Emotionally Intelligent?
Emotional Intelligence is something that’s talked about more and more in management and professional development courses. It seems like this ability is important — which means that some researchers have tried to see if you can get better...
Crash Course
P-Value Problems - Crash Course Statistics
Last week we introduced p-values as a way to set a predetermined cutoff when testing if something seems unusual enough to reject our null hypothesis - that they are the same. But today we’re going to discuss some problems with the logic...
SciShow
Why Is It So Hard to Make a Decision?
Even when you know what you want to do, sometimes actually doing the thing is hard. Luckily, research suggests a few ways you can make it a little easier.
SciShow
How the US Launched Its First Satellite
60 years ago, in January 1958, the United States launched its first satellite, Explorer 1.
SciShow
Why Does Pet Therapy Work? (It’s Not Just Cute Dogs)
Many studies have shown that pets can relieve anxiety, stress, and provide comfort, but why pet therapy is effective has a lot more to do with us than our furry pals.
SciShow
Hydras: Our Immortal, Tentacled Friends
While humans age and die (which is kind of a bummer), it looks like hydras will stay young and fertile forever. Why is this? And what can we learn from these tentacular microscopic organisms?
SciShow
We Hadn't Sequenced the Human Genome...Until Now | SciShow News
Researchers have unlocked the final gaps in the human genome, and what they tell us could mean big waves for the future of medicine.
SciShow
Why You Probably Can’t Predict Your Own Happiness
Humans generally have a good idea of whether something will make us happy or unhappy, but it turns out we’re not great at knowing exactly how much.
TED Talks
TED: Why you think you're right -- even if you're wrong | Julia Galef
Perspective is everything, especially when it comes to examining your beliefs. Are you a soldier, prone to defending your viewpoint at all costs -- or a scout, spurred by curiosity? Julia Galef examines the motivations behind these two...
SciShow
IDTIMWYTIM Radiation
Hank explains the whole story about radiation - the good, the extremely helpful, and the bad.
SciShow
How Michael Faraday Changed the World with a Magnet | Great Minds
From a blacksmith's son, to one of the most repeated names in physics textbooks, Michael Faraday epitomized the spirit of scientific exploration
SciShow
Alice in Wonderland Syndrome
Your head feels too big and things just keep getting curiouser and curiouser. Did you step through the looking glass or is it a super rare neurological condition?
SciShow
Why Scientists Dumped a Bunch of Dead Alligators in the Ocean
We still don't know a lot about the deep sea, but thanks to the help of three dead alligators, we know more about the diets of some of the creatures that live there.
SciShow
Should You Stop Saying 'Like' and 'Um'?
Y’know lots of people say you shouldn’t use, like...filler words, but uh, should you really like, stop using them?
SciShow
Are Colors Real?
The sky is blue, but according to whom? Could the rules of our language affect the way we perceive color?
SciShow
Why Can Severe Pain Make You Vomit?
Nausea and vomiting are common side effects of severe pain, but why do our bodies do this!?
SciShow
6 Common Misconceptions About Cancer
Today we take a look at six misconceptions about cancer that seem plausible, but just don't hold up. Chapters SHARKS DON'T GET CANCER & TAKING SHARK CARTILAGE SUPPLEMENTS WILL CURE OR PREVENT CANCER 0:45 IF YOU HAVE CANCER YOU SHOULD...
SciShow
Microscope The Tube That Changed the World
Humans have long known that glass bends light. However, it took us awhile to figure out that stacking lenses in a tube would open up a whole new world to science, finally allowing us a peek at the microscopic.
SciShow Kids
Solving Mysteries with Archaeologists!
Learn all about archaeologists: the scientists who solve the great mysteries of human history!