SciShow
Fool’s Gold Might Be Better Than the Real Thing
This month's Rocks Box is pyrite, also called fool's gold. But this fool's gold might not be so foolish, since we can use it to get all kinds of other minerals we really need, and it may be a key to getting real gold after all.
SciShow
Why Does Physics Love Donuts? | Compilation
Unfortunately, the universe isn't made of sugarcoated fried dough. However, here are a few ways donuts are still managing to find their way into the physical world.
TED Talks
TED: A mysterious design that appears across millennia | Terry Moore
What can we make of a design that shows up over and over in disparate cultures throughout history? Theorist Terry Moore explores "Penrose tiling" -- two shapes that fit together in infinite combinations without ever repeating -- and...
SciShow
Why Can't I Grow More Teeth?
How come sharks get to have endlessly regrowing teeth when humans only get one set our entire lives? And how come some other mammals get to cheat the system? From elephants to baboons, we'll learn why teeth don't grow back.
SciShow
What Shape Are Black Holes? Yes.
What shape is the event horizon of a black hole? Well, the answer to that question changes if our universe is hiding an extra dimension (or more). Black holes could come in an infinite number of shapes — including a precisely spinning...
MinuteEarth
What Is The Best Shape For A Farm?
The shape of a farm can tell you a surprising amount about the land it's on and the people that use it.
SciShow
7 Amazing Origami-Inspired Inventions
Scientists and engineers are taking folding into the future!
SciShow
How AI Could Change Biology
You've likely been seeing the rise of AI technology everywhere—and some people are pretty concerned about what it could mean for the future. But did you know it might hold the key to understanding, and even changing, parts of our...
TED-Ed
TED-ED: What is the shape of a molecule? - George Zaidan and Charles Morton
A molecule is nearly all empty space, apart from the extremely dense nuclei of its atoms and the clouds of electrons that bond them together. When that molecule forms, it arranges itself to maximize attraction of opposite charges and...
Crash Course
White Dwarfs & Planetary Nebulae
Today Phil follows up last week’s look at the death of low mass stars with what comes next: a white dwarf. White dwarfs are incredibly hot and dense objects roughly the size of Earth. They also can form planetary nebulae: huge,...
SciShow
These AIs Are About to Revolutionize Biology
Even though proteins are fundamental to life, it’s hard to predict what they look like. But two independent groups announced that they’d cracked it, and it’s all thanks to some seriously clever artificial intelligence.
PBS
Topology Riddles | Infinite Series
Can you turn your pants inside out without taking your feet off the ground?
TED-Ed
TED-Ed: How to see more and care less: The art of Georgia O'Keeffe | Iseult Gillespie
Feeling disconnected from creating art within classical conventions, artist Georgia O'Keeffe began experimenting with abstract drawings that defied easy classification. Using the shapes and rhythms of nature to capture her internal...
PBS
The Geometry of SET
In the card game SET, what is the maximum number of cards you can deal that might not contain a SET?
SciShow
7 Amazing Origami-Inspired Inventions
Scientists and engineers are taking folding into the future!
TED Talks
Tara Houska: The Standing Rock resistance and our fight for indigenous rights
Still invisible and often an afterthought, indigenous peoples are uniting to protect the world's water, lands and history -- while trying to heal from genocide and ongoing inequality. Tribal attorney and Couchiching First Nation citizen...
SciShow
The Link Between Zebra Stripes and Sand Dunes | Natural Patterns
Stripes! Hexagons! They're everywhere! These patterns in nature might seem like aesthetic coincidences, but they are actually the result of physical process that show up again and again, even in otherwise unrelated phenomena.
SciShow
Why Is That Baby Staring at Me?
That baby is staring at you, and you don't know why. Something in your teeth? Did you accidentally leave a tag on your clothes? Don't worry,that baby probably just likes your face.
TED-Ed
TED-ED: Ideasthesia: How do ideas feel? - Danko Nikoli_
The traditional model of our mental function is that first our senses provide data to our brain, which then translates those senses into the appropriate mental phenomena: light into visual images, air vibrations into auditory...
Crash Course
What are the Patterns of Border Conflicts? Crash Course Geography
Today, we’re going to take a closer look at borders and the stories they tell. When we look at a map, the shapes we’re seeing can seem so permanent, but a map is just a snapshot of the Earth at a particular time, and by looking a...
SciShow Kids
Why do Planes Leave White Streaks in the Sky?
Have you ever seen an airplane high in the sky leave a long trail behind it? That's called a contrail! It's kind of like a cloud, or your breath on a cold day. Jessi and Squeaks explain the special circumstances that make contrails happen!
TED Talks
TED: Fractals and the art of roughness | Benoit Mandelbrot
At TED2010, mathematics legend Benoit Mandelbrot develops a theme he first discussed at TED in 1984 -- the extreme complexity of roughness, and the way that fractal math can find order within patterns that seem unknowably complicated.
SciShow
How Restaurants Use Psychology to Make You Spend More Money
Restaurants have a whole bucket-load of tricks up their sleeves to get you to spend more money.