PBS
Companies dig the deepest depths to mine valuable metals from the ocean floor
Mankind has mined the earth’s surface for thousands of years. Now there’s a furious race to find even more metal that will enable the world’s energy transition away from fossil fuels. In Papua New Guinea, one company is digging what may...
SciShow
We Don’t Know What the Sun Is Made Of
Unlike Earth, our Sun is a giant ball of mostly hydrogen and helium. Astronomers managed to figure that one out roughly 100 years ago. But after all this time, they still can't come to an agreement on what "mostly" means, precisely.
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 Biggest Star In The Universe Is Too Small
R136a1 is the most massive star that astronomers have ever discovered. It's so massive you might think the laws of physics wouldn't allow it. But it turns out that its current mass estimate is actually so low that it threatens our...
TED-Ed
TED-Ed: Why your phone battery gets worse over time | George Zaidan
Almost all batteries, even single-use batteries, are theoretically rechargeable. That's because the metals and other chemicals are still there in the battery. So chemically speaking, a dead battery is actually not that different from a...
SciShow
Why Haven't We Built a Better Battery?
Improving batteries is a tough problem, but it’s also an important one because in many ways the future of our planet also depends on the future of batteries. Luckily, scientists are on the case, figuring out ways to give this essential...
SciShow
What Happens If A Plane Gets Struck By Lightning?
If you're flying on a plane in a thunderstorm, you should be more worried about the wind than the lightning.
SciShow
3 Surprising Things Matter Does Under Extreme Pressure
3 Surprising Things Matter Does Under Extreme Pressure
SciShow
Metal vs. Bacteria
Even before we knew what bacteria were capable of, we were using certain metals to help fight off their effects.. Hank Green explains how on this episode of SciShow. Hosted by: Hank Green
SciShow
8 Structure Secrets of Gemstones
Gems are more than just pretty rocks! Hosted by: Michael Aranda
SciShow
Hardcore Metal Stars
SciShow Space describes a new phenomenon that might be out there: Stars made entirely out of metal. But it's not quite what it sounds like!
SciShow
6 of The Weirdest Places on Earth | Compilation
There are a lot of weird places here on Earth, but here are a few of our favorite strange spots!
SciShow
What Happens If A Plane Gets Struck By Lightning?
If you're flying on a plane in a thunderstorm, you should be more worried about the wind than the lightning.
SciShow
Blue Is Pretty Special: How Nature Gets the Blues
It's really difficult for life to create blue pigments, but the color can appear in a handful of compounds that create just the right conditions to reflect blue photons.
SciShow
Hiding a Nobel Prize From the Nazis
To keep their solid gold Nobel Prizes away from the Nazis, James Franck and Max von Laue sent their medals to trusted colleague Niels Bohr. But when Germany invaded Denmark in 1940, the medals were no longer safe - so chemist George de...
SciShow
This Hot Jupiter Is Leaking Metal! SciShow News
Astronomers have found a Hot Jupiter - WASP-121b - that is leaking metal, and put together a new 3D map of the Milky Way showing that our galaxy is actually a bit twisted!
SciShow
Weird Places: The Glowing Blue Lava at Kawah Ijen
Maybe you've seen pictures of glowing blue lava flows and dismissed them as Photoshop trickery. Healthy skepticism is good, but there really is a volcano in Indonesia where a unique fluke of chemistry creates an eerie blue glow.
SciShow
Making Reactions Go Faster Since the 1700s | Great Minds: Elizabeth Fulhame
The chemical process of catalysis happens in a myriad of places in our modern world - from industry to inside your cells. Our knowledge of catalysis today springs from Elizabeth Fulhame, who over 225 years ago became the first person to...
SciShow
How the Ocean Floor Got Filled with Riches
Deep below the surface, the ocean floor is full of riches. There’s gold, iron, and lots of other rare, precious metals. What kind of geochemical processes can leave loot all over the seafloor?
SciShow
3 Unexpected Dangers of Space Travel
We all know space travel is pretty dangerous, but here are a few more things that you probably wouldn't have thought to look out for!
TED-Ed
TED-Ed: What's a smartphone made of? - Kim Preshoff
As of 2018, there are around 2.5 billion smartphone users in the world. If we broke open all the newest phones and split them into their component parts, that would produce around 85,000 kg of gold, 875,000 of silver, and 40,000,000 of...
Crash Course Kids
What's My Property
What exactly can we tell about an unknown substance by it's properties. We already know that a substance is matter that’s made of one kind of atom or molecule, and that has specific properties and that some substances are elements, which...
TED Talks
Donald Sadoway: The missing link to renewable energy
What's the key to using alternative energy, like solar and wind? Storage -- so we can have power on tap even when the sun's not out and the wind's not blowing. In this accessible, inspiring talk, Donald Sadoway takes to the blackboard to...