TED-Ed
TED-Ed: How to stay calm under pressure - Noa Kageyama and Pen-Pen Chen
Your favorite athlete closes in for a win; the crowd holds its breath, and at the crucial moment ... she misses the shot. That competitor just experienced the phenomenon known as "choking," where despite months, even years, of practice,...
SciShow
SpaceX's Awesome New Craft, and 'Mega-Earth' Discovered
SciShow Space gives you the latest news from around the universe, including the discovery of a new class of exoplanet dubbed a "mega-Earth," and a tour of SpaceX's new crewed vehicle, the Dragon V2.
Amoeba Sisters
Endosymbiotic Theory
Explore the endosymbiotic theory with the Amoeba Sisters! This theory explains the development of the eukaryote cell from prokaryote cell symbiosis. Scientific theories are also briefly defined. Table of Contents: Intro 00:00 What is a...
SciShow
Why Do People Say We've Reached the End of Physics?
Our fundamental picture of the universe seems pretty nearly complete these days, to the point that some people are suggesting that we’ve arrived at some version of “the end of physics.” And sure, physics is at a turning point, but it...
SciShow
Talk Show: Human Orgasms & Daisy, the Boa Constrictor
This week on SciShow Talk Show Hank talks with Dr. Lindsey Doe about the female orgasm. Special guest Jessi Knudsen Castañeda brings Daisy, a curious Boa Constrictor.
SciShow
How Our Brains Learn Consciousness
Neuroscience is abound with debates over the nature of consciousness. Which makes sense, because it’s a very abstract idea. We know we are conscious, but theories of why, how and what brain activity causes it are still simply that:...
Crash Course
Life Begins: Crash Course Big History
In which Hank and John Green teach you about life on Earth. They won't be giving advice on how life should be lived, because this is a history series. Instead, they'll teach you about the earliest forms of life on Earth, and some of the...
Crash Course
Modern Thought and Culture in 1900: Crash Course European History
Europe was in transition politically and culturally at the beginning of the 20th century. Today, we're looking at the dawn of modern science, and the rise of Modernism in the arts, especially in music, dance, and visual arts. We'll look...
TED Talks
TED: A rare galaxy that's challenging our understanding of the universe | Burcin Mutlu-Pakdil
What's it like to discover a galaxy -- and have it named after you? Astrophysicist and TED Fellow Burcin Mutlu-Pakdil lets us know in this quick talk about her team's surprising discovery of a mysterious new galaxy type.
SciShow
Why Do We Go All In on Lost Causes?
We've all experienced the sunk cost fallacy: when you are deep into a task and tell yourself that you’ve come this far, so you may as well finish it. We do this even if it's no longer logical to finish. So why do we do it?
Crash Course
Karl Popper, Science, & Pseudoscience: Crash Course Philosophy
The early 1900s was an amazing time for Western science, as Albert Einstein was developing his theories of relativity and psychology was born, as Sigmund Freud and psychoanalysis took over the scientific mainstream. Karl Popper observed...
SciShow
The Times and Troubles of the Scientific Method
UPDATE: We got a couple of things wrong when it comes to gravity (particularly that it has nothing to do with photons). Science is working tirelessly night and day to disprove its own theories about how the universe works (or at least,...
SciShow
What If the Large Hadron Collider Made a Black Hole?
Making a black hole in a particle accelerator sounds… a bit dangerous, to say the least, but scientists think that it could be possible! Here's why it probably wouldn't be dangerous -- and might even teach us something.
SciShow
Why are Insects Attracted to Light?
You know how moths like to fly into lamps or crawl all over your tv screen at night? Why do they do this?! The answer is more complicated than you might think
SciShow
Why Are Celebrity Crushes So Intense?
Your love for Rihanna or Tom Hardy may be unrequited, but that doesn't necessarily make it unhealthy.
TED-Ed
3 bizarre (and delightful) ancient theories about bird migration | Lucy Cooke
In 1822, Count von Bothmer shot down a stork in Germany. However, the bird had already been impaled by a yard-long wooden spear. The stork had been speared in Africa and then flew over 2,500 km. This astonishing flight proved to be an...
TED-Ed
TED-Ed: History vs. Sigmund Freud - Todd Dufresne
Working in Vienna at the turn of the 20th century, he began his career as a neurologist before pioneering the discipline of psychoanalysis, and his influence towers above that of all other psychologists in the public eye. But was Sigmund...
TED-Ed
TED-ED: How to prove a mathematical theory - Scott Kennedy
Euclid of Alexandria revolutionized the way that mathematics is written, presented or thought about, and introduced the concept of mathematical proofs. Discover what it takes to move from a loose theory or idea to a universally...
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.
Crash Course
The Power of Motivation: Crash Course Psychology
Feeling motivated? Even if you are, do you know why? The story of Aaron Ralston can tell us a lot about motivation. In this episode of Crash Course Psychology, Hank tells us Ralston's story, as well as 4 theories of motivation and some...
TED-Ed
TED-Ed: How does cancer spread through the body? - Ivan Seah Yu Jun
Cancer usually begins with one tumor in a specific area of the body. But if the tumor is not removed, cancer has the ability to spread to nearby organs as well as places far away from the origin, like the brain. How does cancer move to...
SciShow
Common Misconceptions About Evolution
Evolution is particularly vulnerable to misunderstandings around the scientific language. SciShow clears up some confusing language!
Crash Course
The Moon
Join Phil for a tour of our capital-M Moon, from surface features, inside to the core, and back in time to theories about its formation.
Crash Course
Intro to History of Science: Crash Course History of Science
Intro to History of Science: Crash Course History of Science #1