SciShow
Space Parachutes: Predicting the Unpredictable
Parachutes are a big part of keeping our astronauts safe, but despite being around for almost 500 years, there are still a lot of things we need to work on before they can be full proof.
PBS
The Misunderstood Nature of Entropy
Entropy is surely one of the most intriguing and misunderstood concepts in all of physics. The entropy of the universe must always increase - so says the second law of thermodynamics. It's a law that seems emergent from deeper laws -...
SciShow
The Two-Faced Role of Planetary Magnetic Fields
Given that Earth’s magnetic field helps protect its life-sustaining atmosphere, you might think that the stronger a planet’s magnetic field, the better. But as it turns out, some planets’ relationships with their magnetic fields are a...
TED-Ed
TED-Ed: Can you outsmart the fallacy that fooled a generation of doctors? | Elizabeth Cox
It's 1843, and a debate is raging about one of the most common killers of women: childbed fever— no one knows what causes it. One physician has observed patients with inflammation go on to develop childbed fever, and therefore believes...
SciShow
The Search for Antimatter
If you don't have any idea what antimatter is, you don't have to feel bad - the brightest minds in the world have only recently begun to understand what it is and how it works. Hank gives us the run down on what we know about antimatter,...
SciShow
How Quantum Mechanics Saved Physics From Ovens
You might think that quantum physics was discovered because of some super complicated electron behavior or something, but it was actually invented to explain ovens.
PBS
How Two Microbes Changed History
What if I told you that, more than two billion years ago, some tiny living thing started to live inside another living thing .... and never left? And now, the descendants of both of those things are in you?
Crash Course
The Nucleus: Crash Course Chemistry
Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles - the proton, neutron and electron - come together in trillions of...
SciShow
The Real Reason Kids Have Imaginary Friends
You might be concerned with your kids talking to their invisible friends, but those imaginary friends might have some positive impacts on your kids.
SciShow
What Causes Morning Sickness?
If you've ever been pregnant, or been around a pregnant lady, you know that the agony that is morning sickness -- and it's not just something that happens in the morning! SciShow explains the many theories about what causes it.
SciShow
Wallace, Darwin's Forgotten Frenemy
Everyone knows the name Charles Darwin, but his lesser known frenemy, Alfred Russel Wallace, was developing a lot of the same ideas around the same time.
SciShow
How Shoulders Took Over the World (ft. Emily Graslie!)
Emily Graslie joins us to share the wonder of how shoulders, humble as they may be, have played a huge role in the evolution of mammals the world over. Thanks to the Museum of Comparative Zoology at Havard and The Field Museum for...
SciShow
7 Weird Things That Happen Before You're 7
Kids are weird. They eat mud, talk to bugs, and stick things up their noses... but the changes kids go through as they grown out of infancy and into childhood are even weirder!
TED-Ed
TED-Ed: What do all languages have in common? | Cameron Morin
Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language, and we're able to do so from an early age— almost as soon as we start to communicate in sentences. How is this possible?...
Curated Video
Quantum Mechanics - Part 1: Crash Course Physics
What is light? That is something that has plagued scientists for centuries. It behaves light a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces to the idea of Quantum Mechanics and how...
Crash Course
Kant & Categorical Imperatives: Crash Course Philosophy
Our next stop on our tour of ethics is Kant’s ethics. Today Hank explains hypothetical and categorical imperatives, the universalizability principle, autonomy, and what it means to treat people as ends-in-themselves, rather than as mere...
SciShow
Where Did the Big Bang Happen?
The name “The Big Bang” makes it sound like there was a big explosion in one particular spot, but if that’s the case, where did it happen?
SciShow
Why Aren't There Giant Insects
Hank and physiologist Jon Harrison discuss the question of insect size and major theories that attempt to explain why there is a limit to how large insects can get with current conditions on Earth.
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 Talks
TED: Four billion years of evolution in six minutes | Prosanta Chakrabarty
Did humans evolve from monkeys or from fish? In this enlightening talk, ichthyologist and TED Fellow Prosanta Chakrabarty dispels some hardwired myths about evolution, encouraging us to remember that we're a small part of a complex,...
Crash Course
Utilitarianism: Crash Course Philosophy
Our next stop in our tour of the ethical lay of the land is utilitarianism. With a little help from Batman, Hank explains the principle of utility, and the difference between act and rule utilitarianism.
TED-Ed
TED-Ed: The history of the barometer (and how it works) - Asaf Bar-Yosef
A barometer is an instrument that measures air pressure, allowing weather forecasters and scientists to better predict extreme weather events. Despite its incredible usefulness, inventing the barometer was no walk in the park. Asaf...
SciShow
What Makes Earth’s Magnetic Field Change Direction?
You might have heard that Earth is due for a complete flip of its magnetic field. And while our planet does have a history of this behavior, predictions of when it might happen are too complex to estimate a date for.
TED-Ed
TED-ED: What is chirality and how did it get in my molecules? - Michael Evans
Improve your understanding of molecular properties with this lesson on the fascinating property of chirality. Your hands are the secret to understanding the strange similarity between two molecules that look almost exactly alike, but are...