SciShow
What Happens When Matter is Pushed to the Extreme
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
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.
Curated Video
How Hot Is the Earth's Core?
Unreachable by man, scientists have developed a complex experiment to demonstrate the heat and pressure at the centre of the Earth. Earth Science - Geology - Learning Points. The Earth's core is a dense ball of iron and nickel. To...
Next Animation Studio
Earth’s inner core is superionic — a state of matter distinct from solid, liquid or gas
Earth’s inner core is neither solid nor liquid, according to a new study in the Nature science journal cited by Science Alert. It’s in what is known as a superionic state.
Next Animation Studio
Scientists have found anomalous structures around the Earth’s core
Geophysicists from the University of Maryland analyzed seismic waves around the world and found large unusual structures near the Earth’s core.
Professor Dave Explains
An Overview of Earth’s Layers
We only interact with the very surface of the Earth, called the crust. So what else is down there? What is the composition of the Earth? How many layers are there, and how do they differ? What is the mantle, and how does it convect? What...
Getty Images
Center of the Earth
Center of the Earth with half the exterior and half the globe the interior core and mantle. Ultra-Realistic Earth Loop. Earth with night lights and separate cloud motion.
Incorporated Research Institutions for Seismology
Iris: Seismic Shadow Zones: P Wave
What can the P wave tell about the core of the Earth? Find out in a video. [3:26]
Khan Academy
Khan Academy: How We Know About the Earth's Core
Find out how S-wave shadow and P-wave detection patterns give us information about the Earth's core. [5:49]