MinutePhysics
Magnets: How Do They Work?
How do magnets work? Why do they attract and repel at long distances? Is it magic? No... it's quantum mechanics, and a bit more, as we explain in this, the longest MinutePhysics video ever.
SciShow
The 16 Most Asked Questions About Magnets
Magnets - how DO they work? We've got the answer for you, plus a bunch of weird fun magnet facts - where they got their names, why hitting some stuff with a hammer can turn it into magnets, and even why we feed magnets to cows, on purpose.
SciShow
How Much of the Periodic Table is in YOU?
About 99.9% of your typical human body is made of just 11 elements from the periodic table. But hiding in that remaining 0.1% are some elements that do some very important jobs to keep you alive and healthy. Including some elements you...
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
The Metal Claw Hiding in Your Food
Have you ever seen "calcium disodium EDTA" on an ingredients label and wondered what it's doing in your food? As it turns out, ethylenediamene triacetate is an important preservative that's helping to preserve your food. It's totally...
SciShow
The Moon is Rusting. It's the Earth's Fault.
The Moon is typically 380,000-ish kilometers from the Earth, so it doesn't seem like they have that much of a direct influence on one another. However, the presence of hematite on the lunar surface suggests our planet is causing the Moon...
SciShow
This Crystal Is ELECTRIC
There's a few minerals that exhibit something called piezoelectricity and pyroelectricity, which mean that either heat or pressure can turn them electric. Here's a demo from the SciShow Rocks Box where you can see this for yourself - all...
SciShow
Where Did the Moon Come From?
SciShow Space takes you to the moon! Learn about the competing theories about how Earth's closest neighbor formed.
SciShow
Five Of The Biggest, Baddest Supernova Varieties
Supernovae are only rare to the passive stargazer, but if you’re an astronomer studying them, you get to see some of the most brilliant explosions in the universe. Here are five of the most significant supernovae known to science.
SciShow
No One Knows Where These Gems Came From
Montana sapphires come in a beautiful array of colors found in a few other places in the world. But geologists have no idea where they originated.
SciShow
The Hostile World Where Animal Life Began
For decades, researchers thought they had a solid idea about the earliest booms in animal life. But new research might have turned off the gas on all these ideas, flipping our understanding of the Avalon explosion and the Cambrian...
PBS
The NEW SCIENCE of Moon Formation
Einstein once asked whether “the moon exists only when I look at it?". It was rhetorical objection to the idea that measurement in quantum mechanics causes reality to become real. But there was a time when the moon didn’t exist, and then...
PBS
Is Earth's Magnetic Field Reversing?
Earth’s magnetic field protects us from deadly space radiation. What if it were drastically weakened, as a precursor to flipping upside down? I mean, it has before … many, many times.. Spaceship Earth has a literal deflector shield. A...
PBS
How the Andes Mountains Might Have Killed a Bunch of Whales
At a site known as Cerro Ballena or Whale Hill, there are more than 40 skeletons of marine mammals -- a graveyard of ocean life dating back 6.5 million to 9 million years ago, in the Late Miocene Epoch. But the identity of the killer...
TED-Ed
TED-Ed: Which is better for you: "Real" meat or "fake" meat? | Carolyn Beans
In 2021, a survey of over 1,000 Americans found that nearly two-thirds had eaten plant-based meat alternatives in the past year. Many cited potential health and environmental benefits as their motivation. But are these alternative meats...
SciShow
Whale Poop Helps Cool Our Planet
You might not think of a sea creature as helpful in the prevention of climate change, but sperm whales have been doing their part to cool the planet by doing what most animals do best: pooping.
SciShow
Earth's Not-So-Juicy Center
Hank takes us on a journey to center of the Earth to explain both how the solid core formed and why it is so important for life as we know it.
SciShow
Cannibalism, Zombies & Suicidal Cells: The Latest In Cancer Research
Hank shares some developments in cancer research, from new insights into the behavior of zombie cancer cells, to a new method that uses nanotechnology to kill cancer from within.
SciShow
What is Restless Leg Syndrome?
We all get a jittery after sitting still for too long. But some people experience an irresistible urge to move their legs, and it can seriously affect their daily lives.
SciShow
How Climate Change Affects Ocean Life | Compilation
We can see the effects of the climate crisis in many different ways here on land. But the oceans are also part of the interconnected, global system. So, here are a few ways that climate change affects our oceanic buddies.
SciShow
Why is Organized Crime Buying Sand?!
Some might call sand coarse, rough and irritating, but there’s no denying that it’s used everywhere: from glass to asphalt, sand is a key ingredient for all sorts of materials in construction and technology. But this heavy reliance on...
SciShow
The Bacteria That Make Perfect, Tiny Magnets
Learn how magnetic bacteria work, and how scientists think they can help technology in the future!
SciShow
8 Structure Secrets of Gemstones
Gems are more than just pretty rocks! Hosted by: Michael Aranda
SciShow
Why Does Your Breath Stink in the Morning?
At night, your mouth becomes the perfect home for growing bacteria. Forgive us if we don’t talk to you until after you brush your teeth. ----------