SciShow
6 Mysteries Geologists Can't Solve
There are some geological areas on the planet that scientists still don't understand. For most things it's pretty clear—combine a volcanic eruption a dash of erosion, and boom, you’ve got a striking cliff! But not all the features on...
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. Hosted by: Stefan Chin
SciShow
Why You Can't Hear Volcanoes Erupt
Even if a volcano is just a few miles away, you might not hear it erupt. How is that possible? It has to do with a phenomenon known as sound shadows! Hank will tell you all about it in this new episode of SciShow! Join us!
SciShow
Why There's a Straight Line Through Scotland
If you take a look at a map of Scotland, you'll notice an eerily straight line running through the highlands, this is the Great Glen Fault the product of half a billion years of time and geology.
TED-Ed
TED-Ed: The continents are moving. When will they collide? | Jean-Baptiste P. Koehl
In the early 20th century, Alfred Wegener's theory of Continental Drift laid the foundation for our modern theory of plate tectonics. And today we know something even more exciting: Pangea was only the latest in a long lineage of...
SciShow
5 of Earth's Weirdest Lakes | Compilation
Our planet is full of beautiful places, but it’s also full of wonderfully weird places. We've put together some of our favorite episodes about our planet’s weirdest lakes!
TED Talks
Sarah Parcak: Archaeology from space
In this short talk, TED Fellow Sarah Parcak introduces the field of "space archaeology" -- using satellite images to search for clues to the lost sites of past civilizations.
SciShow
Radiation Is a Green Diamond’s Best Friend
Diamonds are iconic, but some of them might make others a little green with envy.
SciShow
The World's Most Abundant Mineral, and Oddball Whales
SciShow News takes you to the depths of the Earth, where the world’s most abundant mineral is found, and to the Arabian Sea, where a strange population of whales has been living in isolation for 70,000 years!
SciShow
The Only Water on Earth Without Life
When it comes to water on Earth, life finds a way. Even in the hottest, most acidic, and saltiest waters in the world, odds are you'll find some kind of organism adapted to live in it. There is, however, a place with water so extremely...
SciShow
Why Scientists Briefly Thought the Earth Was Hollow
Our understanding of the world has to start somewhere! And while early ideas like the Hollow Earth Theory are mostly wrong and sound silly to us now, that doesn’t mean they weren’t important.
Bozeman Science
Contour Lines
In this video Paul Andersen explains how contour lines show areas of equal elevation or equal gravitational potential. Contour lines are used as an analogy for lines of equipotential in electric fields.
SciShow
The World Is Built on Sand... and We're Running Out
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
7 Mysteries Science Hasn't Solved
Even science can't yet explain these 7 extremely cool, weird phenomena in the universe, despite decades or even centuries of research. Chapters BALL LIGHTNING 1:09 3:07 SONIC BOOM SKYQUAKES 3:13 FAST RADIO BURSTS 4:21 Actinomycetes 6:42...
SciShow
What We Can Learn from 5 Times Rivers Ran Backward
Usually, you can count on a river to flow in one direction, but some things can make it reverse course. Aside from being weird and surprising, these river reversals can often reflect geological changes and have long-lasting impacts on...
TED-Ed
TED-Ed: The most colorful gemstones on Earth | Jeff Dekofsky
In November 1986, Australian miners climbed Lunatic Hill and bored 20 meters into the Earth. They were rewarded with a fist-sized, record breaking gemstone, which they named the Hailey's Comet opal. Thanks to a characteristic called...
TED Talks
TED: What Saturn's most mysterious moon could teach us about the origins of life | Elizabeth "Zibi" Turtle
NASA's Dragonfly -- a robotic rotorcraft-lander that's designed to hop across the surface of an extraterrestrial body -- is set to voyage deep into the solar system to explore Titan, Saturn's largest moon, in 2026. Planetary scientist...
SciShow
6 Mysteries Geologists Can’t Explain — Yet!
Explaining strange Earth geology is often straightforward — combine a volcanic eruption a dash of erosion, and boom, you’ve got a striking cliff! But not all the features on this planet are so easy to figure out. From the ground randomly...
TED Talks
Penelope Boston: There might just be life on Mars
So the Mars Rovers didn't scoop up any alien lifeforms. Scientist Penelope Boston thinks there's a good chance -- a 25 to 50 percent chance, in fact -- that life might exist on Mars, deep inside the planet's caves. She details how we...
SciShow
Secrets of Life from A Giant Pool of Asphalt | Weird Places: Pitch Lake, Trinidad
Trinidad's Pitch Lake is a huge, oily, and filled with millions of tons of asphalt. It may not sound like a great place to live, but the lake is teeming with microscopic life! And learning more about these organisms could give us insight...
SciShow
6 Things We Still Don't Know About Earth
The earth is our home, and while we like to think we know a good deal about it, there are still some mysteries that scientists are looking to unravel. Chapters PLATE TECTONICS 1:45 EXTROVERSION Sponsored by: Jonathan Hood 3:50...
SciShow
How the Movement of Other Planets Affects Earth — Yes, Really
Scientists have found at least three cycles in nature that can be traced back to the alignment of the planets. And while they won’t tell you anything about your love life or personality, by studying them, we can learn about our planet’s...
SciShow
Why Is There Land?
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?
SciShow
The Bone Wars: A Feud That Rocked U.S. Paleontology
The Bone Wars resulted in the description of some of the most famous dinosaurs we know of today, but not without some pretty big mistakes.