Crash Course Kids
Oobleck and Non-Newtonian Fluids
Ever heard of Oobleck? How about Non-Newtonian fluids? Well, today Sabrina is going to show us that things can sometimes behave like a solid, and sometimes like a liquid depending on how much force is applied to them. In this episode of...
Be Smart
What is Farthest Away?
The edge of everything used to be the edge of the map. But now, thanks to what we know about astrophysics and the universe, the edge of everything might not even exist....
TED Talks
Sandeep Jauhar: How your emotions change the shape of your heart
"A record of our emotional life is written on our hearts," says cardiologist and author Sandeep Jauhar. In a stunning talk, he explores the mysterious ways our emotions impact the health of our hearts -- causing them to change shape in...
TED-Ed
TED-Ed: A trip through space to calculate distance - Heather Tunnell
Imagine two aliens racing across outer space to their moon. Who can we deem the fastest alien? With DIRT -- or the equation Distance = Rate x Time -- we can calculate their rates, using the distance they traveled and the time they took....
Crash Course
Kinetics: Chemistry's Demolition Derby - Crash Course Chemistry
Have you ever been to a Demolition Derby? Then you have an idea of how molecular collisions happen. In this episode, Hank talks about collisions between molecules and atoms, activation energy, writing rate laws, equilibrium expressions,...
SciShow
Get Charged Up for the Gigafactory
Hank shares the latest ambitious project from SpaceX and Tesla entrepreneur Elon Musk: The Gigafactory. Learn more about how batteries work, what the big deal is about lithium, and why people are getting so charged up. See what we did...
TED-Ed
TED-ED: The science of attraction - Dawn Maslar
Romantic chemistry is all about warm, gooey feelings that gush from the deepest depths of the heart-right? Not quite. Actually, the real boss behind attraction is your brain, which runs through a very quick, very complex series of...
Amoeba Sisters
Diffusion
Explore how substances travel in diffusion with the Amoeba Sisters! This video uses a real life example and mentions concentration gradients, passive transport, facilitated diffusion, and explains why diffusion is critical for all...
SciShow
Abilities Evolution Took From Us
A common misconception is that evolution is a long chain of progress, where organisms gain cool, new features over time. However, if a trait doesn't help with survival or reproduction, eventually it can disappear. Here are a few...
MinuteEarth
How We Evolved To Browse The Web
The decisions we make while we browse the internet are suprisingly similar to the ones animals make as they forage for food...here's why.
SciShow
Will the Moon Ever Leave the Earth's Orbit?
Every year the moon’s orbit gets a little bigger and it moves just a little farther away. Should we worry about the Moon breaking free?
SciShow
Why Carbon Dating Might Be in Danger
Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.
Be Smart
What's The Loudest Possible Sound?
What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway? In this video you'll learn what makes sound
SciShow
Does Shaving Make Your Hair Thicker?
You've probably heard someone explain that hair grows in thicker after shaving, but is there any truth to this or is it just a myth?
Crash Course
Taxes: Crash Course Economics
We've been talking about the unavoidables recently. Last time, we covered Death. This time, it's taxes. So, what are taxes? Why do we pay taxes? What is all that tax money used for? This week, Adriene is going to cover all that and more....
PBS
What Does Dark Energy Really Do?
How does dark energy affect the universe's expansion? Measuring past expansion history should tell us the future expansion without ever having to count any galaxies. To measure this we need to measure the redshift-distance relationship,...
SciShow
We Probably Can't Save the Vaquita—But We Can Learn From Them
Save the Vaquita Day is the first Saturday after the 4th of July, and it serves as a reminder that preventing extinctions means acting early.
SciShow
You, a Dog, and an Elephant All Pee for 21 Seconds
The time it takes to you to tinkle is probably about the same as an elephant, even though an elephant's bladder is over 100 times larger. How can that be right? The answer is a combination of physiology and fluid dynamics.
MinuteEarth
Why Do India And China Have So Many People?
India and China have so many people today because they’re good for farming and big, but they’ve always been that way, so they’ve actually had a huge proportion of Earth’s people for thousands of years.
MinuteEarth
How To (Literally) Save Earth
Farming erodes soil 50 times faster than it forms. We can change that, but will we?
Crash Course
Inflation and Bubbles and Tulips: Crash Course Economics
In which Adriene and Jacob teach you about how and why prices rise. Sometimes prices rise as a result of inflation, which is a pretty normal thing for economies to do. We'll talk about how across the board prices rise over time, and how...
TED-Ed
TED-ED: The Pangaea Pop-up - Michael Molina
The supercontinent Pangaea, with its connected South America and Africa, broke apart 200 million years ago. But the continents haven't stopped shifting -- the tectonic plates beneath our feet (in Earth's two top layers, the lithosphere...
TED-Ed
TED-Ed: How high altitude affects your body | Andrew Lovering
If you teleported from sea level to the top of Mount Everest, things would go bad fast. At an altitude of 8,848 meters, you would likely suffocate in minutes. However, for people that make this journey over the course of a month, it's...
SciShow
The Biggest-Ever Supernova
NASA has chosen three companies whose craft it will use to ship cargo to the ISS and we've got new details about the brightest supernova we've ever observed.