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...
Crash Course Kids
Vacation or Conservation (Of Mass)
So when water evaporates, what happens? Where does that water go? Does just vanish? Is it no more? Can matter every just go away? Well, the answer is no, it can't. But it can LOOK like it does. In this episode of Crash Course Kids,...
SciShow
Rogue Waves
For a long time, rogue waves (defined as waves that are greater than twice the height of surrounding waves) were thought to be a myth, like mermaids or the kraken, but recent developments in satellite imagery and oceanic instruments now...
Crash Course
Evaluating Evidence: Crash Course Navigating Digital Information #6
Today we’re going to focus on how to tell good evidence from bad evidence and maybe importantly, how to identify “Fine, but that doesn’t actually prove your point” evidence - the stuff that the Internet is built on.
SciShow
Xenophyophores: The Strange Life of a Giant Single Cell
You may think of single-celled organisms as being microscopically small, but these ocean dwellers are a little heftier than that.
TED Talks
TED: The next step in nanotechnology | George Tulevski
Nearly every other year the transistors that power silicon computer chip shrink in size by half and double in performance, enabling our devices to become more mobile and accessible. But what happens when these components can't get any...
TED-Ed
TED-Ed: What is the universe made of? - Dennis Wildfogel
The atoms around you have existed for billions of years -- and most originated in the flaming, gaseous core of a star. Dennis Wildfogel tells the captivating tale of these atoms' long journeys from the Big Bang to the molecules they form...
SciShow
5 Amazing Record-Breaking Caves
Caves are fascinating, but these ones are some of the most fascinating, both in and out of this world.
TED-Ed
What causes dandruff, and how do you get rid of it? | Thomas L. Dawson
On top of our heads, there is a type of yeast that lives and dines on all of our scalps. Feasting constantly, it's in paradise. And in about half of the human population, its activity causes dandruff. So, why do some people have more...
Bozeman Science
Conservation of Nucleon Number
In this video Paul Andersen explains how the nucleon number and charge is conserved in all nuclear reactions and radioactive decay. Fission, fusion, alpha decay, beta decay, and gamma decay all conserve the number of neutrons and...
SciShow
How the First Stars Transformed the Universe
The first stars turned all the neutral hydrogen in the universe back into ions, created a bunch of new elements, and just generally made a mess. But without them, you wouldn’t be here.
SciShow
That Time North America Tried to Tear Itself Apart
Looking at a map, you would never know that North America once almost ripped itself in half. But 1.1 billion years ago, it tried to - and had it succeeded, there would now be an ocean where Lake Superior is!
SciShow
Betelgeuse Isn’t Just Dim, It’s Lopsided - SciShow News
The constellation of Orion has one shoulder marked by a bright red star called Betelgeuse, but over the last year it's dimmed enough to notice with the naked eye! and mission scientists are shedding some light on how Arrokoth and other...
TED-Ed
TED-ED: What can you learn from ancient skeletons? - Farnaz Khatibi
Ancient skeletons can tell us a great deal about the past, including the age, gender and even the social status of its former owner. But how can we know all of these details simply by examining some old, soil-caked bones? Farnaz Khatibi...
SciShow
Logic Problems, Energy, and Lollipop!
Special Guest Derek Muller stumps Hank with logic problems and talks about energy, teaching tools and education through video. Jessi from Animal Wonders also joins the conversation to talk about Lollipop, the striped skunk.
Bozeman Science
The Reaction Path
In this video Paul Andersen explains how the reaction path can be described in an energy profile. Enough energy must be added to reach the activation energy required and stress the bonds. Eventually the bonds break and new bonds are...
SciShow
Why Our Sewers are Plagued by Fatbergs
Sure, throwing grease down the drain is not great for the plumbing in your home, but it can actually cause problems on a much bigger scale in the form of FOGs - also known as fatbergs. And yes, those are as gross as they sound.
SciShow
What Does "A 50% Chance of Rain" Actually Mean?
Your friendly local weather person says there's a 10% chance it will rain today, so you throw on your flip-flops and head out to enjoy a beautiful day. Next thing you know, you're running through puddles, trying to get out of a...
SciShow
We Solved the Mystery of the Dying Birds
Across the southeastern United States, bald eagles have been dying unexplainedly for the past 25 years. In March of 2021, researchers announced that they had found the killer, and they hope we can use this knowledge to better protect...
SciShow
Zombie Fires Are on the Rise
Fire seasons can be bad enough on their own, but it turns out sometimes forest fires that appeared to be dead, turn out to have just been lying in wait.
TED-Ed
TED-ED: Is there a disease that makes us love cats? - Jaap de Roode
Today, about a third of the world's population is infected with a strange disease called toxoplasmosis - and most of them never even know it. And while the parasite can multiply in practically any host, it can only reproduce sexually in...
SciShow
The Telescope That Revealed the X-Ray Universe
Some of the most exciting phenomena in space can’t be seen from Earth because our atmosphere soaks up high-energy light. That’s why NASA built Chandra, the most powerful X-ray telescope ever launched, and the observatory has helped...
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
These Stars Are Being Eaten Alive from the Inside
In general, a star’s size will determine its final destiny. Some stars fizzle out, while others explode, and what seals their fate may come down to a curious, cannibalistic process happening inside their cores!