TED-Ed
TED-Ed: The rise and fall of the Maya Empire’s most powerful city | Geoffrey E. Braswell
During the 8th century CE, warfare and failing agriculture forced Maya people to move north, to hotter, drier Yucatán. Because of its freshwater access, Chichen Itza became the most powerful Maya city, with nearly 50,000 citizens at its...
SciShow
The Truth Behind the Disappearing Lakes
Around the world, there are lakes that disappear without warning. Then, suddenly without warning, they sometimes return! This vanishing and reappearing affect reveals some surprising connections. Learn all about it with Hank on this new...
SciShow
Why Do Sinkholes Keep Catching Us By Surprise?
You'd think if we can tell when a star is about to implode that we could predict when a giant hole is about to open up here on earth and ruin our day. So why are sinkholes still so hard to predict?
SciShow
Sinkholes, Robotic Mules & Fluffy the Tarantula: SciShow Talk Show #7
Hank is joined by Peter Winkler with some news about sinkholes and DARPA's new robotic mule, and then the boys are joined by Jessi from Animal Wonders and her special friend "Fluffy" the Chilean rose hair tarantula.
SciShow
These Mysterious Lakes Disappeared...and Came Back
Around the world, there are lakes that disappear without warning. Then, even stranger, they come back! This can happen for lots of different reasons, and the fact that they vanish and reappear reveals some surprising connections.
Curated Video
Discovering the Ancient and Natural Wonders of Chongqing
Chongqing, China:"Our first stop will take us to one of the best and biggest museums in all of China. We will learn all about the culture and history of this great nation in the heart of Chongqing. We will try the classic Chinese 'hot...
Curated Video
Limestone: Features
Easily eroded by water, limestone's composition means it makes up spectacular sights all over the world. Learn about some of the surface and underground features of this rock type. Earth Science - Geology - Learning Points. Limestone is...
Curated Video
How Do Caves Form?
A look at caves of all shapes and sizes: how do they form? And what creates the strange stalactite and stalagmite structures that can be found inside? Earth Science - Geology - Learning Points. Caves are natural underground holes carved...
Curated Video
Understanding Sinkholes: Nature’s Sudden Traps
Explore the sudden and often terrifying phenomenon of sinkholes. This video investigates how these giant holes are formed naturally over thousands of years, their potential dangers, and what typically lies at their mysterious bottoms....
Curated Video
I WONDER - Where Are Sinkholes Formed?
This video is answering the question of where are sinkholes formed.
Curated Video
I WONDER - What Is A Sinkhole?
This video is answering the question of what is a sinkhole.
Curated Video
I WONDER - Are There Any Famous Sinkholes?
This video is answering the question of are there any famous sinkholes.
Curated Video
I WONDER - Why Are Sinkholes Dangerous?
This video is answering the question of why are sinkholes dangerous.
Next Animation Studio
Sinkhole opens up inside Tennessee stadium
A massive sinkhole opened up inside a stadium at Austin Peay State University in Clarksville, Tennessee, following construction work. According to USA Today, the sinkhole, discovered by construction workers weeks ago, was initially only...
Curated Video
USA - Sinkholes
In May 1981, a massive hole opened in the ground at Winter Park in Florida, swallowing part of an urban development. The phenomenon wasn't new in Florida where 'sinkholes', as they are known, regularly open up, destroying homes,...
Science Friday Initiative
Science Friday: When the Earth Swallows
Sinkholes have gobbled up swimming pools, buses, and homes. But what causes them? And is there any way to predict where they'll strike?
PBS
Pbs Learning Media: Sinkholes
Observe the common characteristics of sinkholes while watching kids use the scientific method to find out how sinkholes form.