Instructional Video8:11
SciShow

Why Volcanologists Hate the Dark

12th - Higher Ed
You might have heard of the ongoing volcanic eruptions near Grindavík, Iceland. You might not have heard that it's hard to monitor a volcano in the dark. We'll talk about why an Icelandic winter is the worst time for monitoring equipment...
Instructional Video11:52
SciShow

How Lava Turned a Rhino Into a Cave

12th - Higher Ed
We know that fossils are fragile, and volcanoes are destructive. So you wouldn't think that volcanoes are really any help when preserving fossils... but you'd be wrong! From the Laetoli Footprints to the Blue Lake Rhino, here are five...
Instructional Video5:19
SciShow

Why Isn't Mount Denali a Volcano?

12th - Higher Ed
Alaska has the most volcanoes out of all the US states, but researchers think they don't have enough. Here's the weird science behind looking for Alaska's volcanoes, and what we've learned about volcanism along the way.
Instructional Video13:40
SciShow

The Earthquake That Lasted Two Centuries

12th - Higher Ed
From an Australian fire that's been continually burning for millennia, to earthquakes that shake the ground for centuries, here are four natural disasters that lasted way longer than you might have expected.
Instructional Video5:37
SciShow

The Zombie Planet at the Center of the Earth

12th - Higher Ed
For years, geologists have been searching for an explanation for two strange blobs of Earth's mantle that are denser than the rest. It turns out, they may not be original parts of Earth at all.
Instructional Video2:50
SciShow

How Do Volcanoes Make Smoke Rings?

12th - Higher Ed
Occasionally, a volcano coughs up a ring of fog. How does it create that whimsical shape, and how similar is it to the smoke rings humans can make?
Instructional Video15:33
PBS

The NEW SCIENCE of Moon Formation

12th - Higher Ed
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...
Instructional Video9:58
PBS

That Time the American West Blew Up

12th - Higher Ed
How is it possible to have cataclysmic eruptions without any real cataclysm?
Instructional Video10:18
PBS

Where Did Water Come From?

12th - Higher Ed
Mercury, Venus, and Mars are all super low on water – so where did ours come from and why do we have so much of it? We think our water came from a few unlikely sources: meteorites, space dust, and even the sun.
Instructional Video2:41
MinuteEarth

What Happens When A Volcano Meets a Glacier?

12th - Higher Ed
Volcanoes might seem like an unstoppable force of nature - but there is at least one OTHER force on Earth that seems to be able to keep them down.
Instructional Video5:38
SciShow

Is the Mystery of Earth's 1.2 Billion Missing Years Solved? | SciShow News

12th - Higher Ed
For the last hundred and fifty years or so, geologists have been trying to wrap their heads around the mystery: in some places, the geologic record just seems to jump by over billion years. And last week, a paper was published that may...
Instructional Video5:44
SciShow

How Old Are You? Well, Your Liver Is 3

12th - Higher Ed
This week, a group of researchers use nuclear fallout to figure out how old liver cells are, while another gets one step closer to predicting volcanic eruptions.
Instructional Video4:03
SciShow

Weird Places: The Lava Lake in Antarctica

12th - Higher Ed
What could be cooler than a permanent lava lake surrounded by snow!?
Instructional Video3:14
SciShow

Limnic Eruptions: When Lakes Explode

12th - Higher Ed
SciShow takes you inside a limnic eruption, a natural disaster that’s as deadly as it is rare.
Instructional Video9:32
SciShow

That Time North America Tried to Tear Itself Apart

12th - Higher Ed
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!
Instructional Video19:06
SciShow

Antarctic Lava to Pink Snow: The Science of Winter

12th - Higher Ed
"If you live in the northern hemisphere, there's a decent chance you're in a winter wonderland right now. Settle in with a hot drink for this winter compilation and learn about some of the interesting things that make winter wondrous!
Instructional Video10:04
Crash Course

What Are Rocks and How Do They Form? Crash Course Geography

12th - Higher Ed
From towering mountains to pebbles along a river, the Earth is made of a huge variety of rocks. In today's episode, we're going to follow the rock cycle of a piece of granite in the Himalayan mountains, and as you'll see, every rock has...
Instructional Video9:24
SciShow

Without Volcanoes, Earth Might be Dead

12th - Higher Ed
You might think of plate tectonics as destructive since it's the ultimate force behind earthquakes, tsunamis, and volcanic eruptions. But the slow movement of our planet's surface does a lot more than shake things up now and then. Some...
Instructional Video3:09
SciShow

Io's Underground Magma Ocean

12th - Higher Ed
There are a few theories that would suggest Jupiter's moon IO has an underground magma ocean. Hank Green explains in this episode of SciShow Space!
Instructional Video5:22
SciShow

This Might Be a Brand-New Kind of Star | Space News

12th - Higher Ed
Astronomers have theorized about an invisible star made up of theoretic particles in the past, but did we recently detect the gravitational waves of two of them colliding? Plus, extraterrestrial rocks from a decades-old mission keep...
Instructional Video4:15
SciShow Kids

Geysers: When Water Erupts!

K - 5th
Geysers are amazing natural formations that shoot magma-heated water from deep below the Earth's surface! What could possibly be cooler than that?!
Instructional Video8:44
SciShow

Why Is There Land?

12th - Higher Ed
You need it, you love it, you probably live on it: it's land! But have you ever thought about where land even comes from?
Instructional Video2:47
SciShow Kids

All About Volcanoes How They Form, Eruptions & More!

K - 5th
Jessi and Squeaks explore nature’s way of letting off a little steam.
Instructional Video2:54
SciShow

We Use Black Holes to Study Tectonic Plates

12th - Higher Ed
The ground under our feet is constantly moving, and to measure these movements, researchers have turned to an unlikely helper: quasars that are millions of light-years away.