Crash Course
Torque: Crash Course Physics
What is torque? This is one of those things that you may have heard about in passing but never really understood. In this episode of Crash Course Physics, Shini sits down with us to discuss what torque is, how it works, why it works, and...
MinuteEarth
Why You’re More Likely To Die In Winter
There’s a huge seasonal difference in death rates that is propelled by a variety of factors including pathogen behavior and anatomical response to temperature changes.
SciShow
The Star That Trolled Astronomers
In 1967, a star was discovered that seemed to be different than most stars, . . . it looked like it was blinking.
SciShow
The Supernova of 1054, Our Very Special Guest Star
All of humanity likely saw it, a brilliant supernova that lit up the daytime sky in 1054. But 960 years later, there’s still a lot we dont quite understand about the famous celestial phenomenon.
TED-Ed
TED-Ed: Can you find the next number in this sequence? - Alex Gendler
1, 11, 21, 1211, 111221. These are the first five elements of a number sequence. Can you figure out what comes next? Alex Gendler reveals the answer and explains how beyond just being a neat puzzle, this type of sequence has practical...
SciShow
Schizophrenia May Be an Autoimmune Condition
Schizophrenia affects 20 million people worldwide, and we don’t exactly know how it develops, or what causes it yet. However, some research has found that it might be an autoimmune condition.
SciShow
A Strangely Cool Supermassive Black Hole!
In this week's news we discover that Tatooine has got nothing on HD 131399Ab's wide orbit, and there's a some really cool jets coming out of a supermassive black hole.
TED-Ed
TED-ED: Why are blue whales so enormous? - Asha de Vos
Blue whales are the largest animals on the planet, but what helps them grow to the length of a basketball court? Asha de Vos explains why the size of krill make them the ideal food for the blue whale -- it's as if the blue whale was made...
TED Talks
Mandy Len Catron: Falling in love is the easy part
Did you know you can fall in love with anyone just by asking them 36 questions? Mandy Len Catron tried this experiment, it worked, and she wrote a viral article about it (that your mom probably sent you). But ... is that real love? Did...
SciShow
Tardigrades: Adorable Extremophiles
Hank explains why NASA and the European Space Agency are in love with tardigrades and how these extremophiles are helping us study the panspermia hypothesis.
SciShow
Robert Evans, Supernova Superstar
A backyard astronomer holds the world record for most supernovas found by searching manually. He's memorized what over a thousand galaxies look like.
SciShow
Mama, Where Do Galaxies Come From?
For most of human history, we didn't know that galaxies were a thing. So over the past century, astronomers have been working to understand how galaxies come to be and how they evolve over time. And for a full decade, there was one...
TED Talks
TED: A strategy for supporting and listening to others | Jeremy Brewer
As a police officer, Jeremy Brewer interacts with individuals experiencing trauma and loss on a daily basis. Giving us a peek into this little-discussed aspect of the job, Brewer shares thoughtful insights on why respecting people's...
Crash Course
Discrimination: Crash Course Philosophy
Is it OK to discriminate? Do you do it? Is it always wrong or are there cases where it can be acceptable? Today we’re talking through several tricky cases and different philosophical perspectives on this issue.
TED Talks
Mani Vajipey: How India's local recyclers could solve plastic pollution
India has one of the world's highest rates of plastic recycling, thanks largely to an extensive network of informal recyclers known as "kabadiwalas." Entrepreneur Mani Vajipey discusses his work to organize their massive efforts into a...
MinuteEarth
Why Hardwoods Are The Softest Woods
Not all hardwood trees have hard wood and softwoods soft wood, because these terms denote their taxonomic ancestry, not the wood's actual hardness.
SciShow
The Biggest Stars in the Galaxy
Learn about hypergiant stars -- stars that make the sun look ridiculously tiny.
SciShow
Why Do We Burp and Fart (So Much)?!
We all do it, but why? Hank explains the whys and hows of our gaseous emissions.
TED-Ed
TED-Ed: Which bag should you use? | Luka Seamus Wright and Imogen Ellen Napper
You've filled up your cart and made it to the front of the grocery line when you're confronted with yet another choice: what kind of bag should you use? It might seem obvious that plastic is bad for the environment, and that a paper bag...
3Blue1Brown
Why “probability of 0” does not mean “impossible” | Probabilities of probabilities, part 2
Introduction to probability density functions.
Crash Course
Decolonization: Crash Course European History
After World War II, Europe was changing radically, and its place in the world was changing as well. European powers had colonized around the world in the 18th and 19th centuries, and in the 20th century, it all came crashing down. Of...
TED-Ed
TED-Ed: Can you solve the Leonardo da Vinci riddle? - Tanya Khovanova
You've found Leonardo da Vinci's secret vault, secured by a series of combination locks. Fortunately, your treasure map has three codes: 1210, 3211000, and. . . hmm. The last one appears to be missing. Can you figure out the last number...
SciShow
Another SpaceX Landing, and New Horizons's Next Stop
SpaceX has done it again! It's landed the first stage of a Falcon 9 rocket and the Dragon capsule has returned from the ISS. Now, what's next for New Horizons? It has its sights set an another tiny world in the Kuiper Belt.
MinutePhysics
Relativistic Addition of Velocity | Special Relativity Ch. 6
This video is chapter 6 in my series on special relativity, and it covers the topic of relativistic addition of velocity: aka, how things that are moving relative to one inertial reference frame, which is moving relative to another...