Why the Hardest Rocks Can Be Easy to Break
Adults Education
So, rocks are hard. But the scale we use to rank them, the Mohs scale, is only really good at quantifying that for one kind of hardness, and topaz is a perfect stone to talk about to explain that. And you can check it out in our SciShow Rocks Box subscription!
MinuteEarth Explains: Solar Eclipses
Adults Education
Over the last year, we at MinuteEarth and MinutePhysics have had the privilege of working with NASA's Heliophysics Education Activation Team make a series of videos about the awesomeness of solar eclipses. Here they are, all seven of them!
There Are Thousands of Alien Empires in The Milky Way
Adults Education
We often assume that advanced technology will make it easy for aliens to colonize space. But what if space exploration is always difficult, no matter how advanced you are?
Why is this number everywhere?
Adults Education
he number 37 is on your mind more than you think.
The Real Killer Of The Dinosaurs
Adults Education
A ruthless murder was committed! Someone killed the dinosaurs and we have the murderer! Witnesses say that an Everest-sized asteroid hit Earth, devastated the planet and caused a mass extinction. A simple, fascinating and convincing explanation. Or… is it?
The Billion-Dollar Problem in Education
Adults Education
Standardized testing is deeply woven into the fabric of US education, but does it foster genuine learning?
How the Most Expensive Swords in the World Are Made
Adults Education
This is a video about how Japanese samurai swords, aka katanas, are made – from the gathering of the iron sand, to the smelting of the steel, to the forging of the blade.
Primitive Technology: One-Way Blower Iron Smelt & Forging Experiment
Adults Education
I tested the one-way spinning blower in an iron smelt and it is more effective than the previous both way spinning blower.
Cardiologist Answers Heart Questions From Twitter
Adults Education
Cardiologist Dr. Sunil Rao answers your questions about the heart from Twitter. How do you measure your maximum heart rate?
Why Do All YouTube Videos Look Alike?
Adults Education
Many crustaceans from all sorts of starting points evolve to end up looking similar, likely due to outside pressures. That’s sort of like what happens with YouTube videos.
The Paradox of an Infinite Universe
Adults Education
What is outside of the universe? We know that the universe had a beginning 14 billion years ago and that it has been expanding ever since.
3 Mysteries of the Universe
Adults Education
We're still in the dark about what 95 percent of our universe is made of — and the standard model for understanding particle physics has hit a limit.
What Happens AFTER Nuclear War?
Adults Education
This video was made possible through a grant by Open Philanthropy.
Why Climbers Trust Rubber With Their Lives
Adults Education
Why is rubber so “sticky”? Why does rubber consistently have one of the highest coefficients of friction?
Why Does Everything Decay Into Lead
Adults Education
If you look at a copy of the periodic table, you might notice that basically every element after lead is labelled as radioactive.
Did The Future Already Happen? - The Paradox of Time
Adults Education
Is your future already written? Do your past, present, and future all exist right now? Surprisingly, the answer could be yes.
6 Tips on Being a Successful Entrepreneur | John Mullins | TED
Adults Education
Sometimes, you need to break the rules to innovate — but which ones? Entrepreneurship professor John Mullins shares six counter-conventional mindsets for entrepreneurs looking to think strategically, navigate challenges and change the world.
How Do We Get Energy? (Chemical Reactions): Crash Course Biology #26
Adults Education
Cells need energy to power the chemical reactions that keep their microscopic cities running, and most of that energy comes from a chemical called ATP.
Did The Future Already Happen? - The Paradox of Time
Adults Education
Is your future already written? Do your past, present, and future all exist right now? Surprisingly, the answer could be yes.
Can a Simple Brick Be the Next Great Battery?
Adults Education
The world relies on manufacturing, and manufacturing relies on heat — a massive contributor to global carbon emissions, responsible for a quarter of the world's fossil fuel use.
Why We Need To Teach Astronomy
Adults Education
People don’t understand the scale of the Universe.