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You've Never Heard of the World's Most Common Mineral

AdultsEducationScienceWork...
The most common substance in the world is literally IN the world. It's a mineral called bridgmanite, and it belongs to a class of minerals (called perovskites) that scientists are trying to use in the next generation of solar panels.

Why the Hardest Rocks Can Be Easy to Break

AdultsEducationMathPhysics...
So, rocks are hard. But the scale we use to rank them, the Mohs scale, is only really good at quantifying that for one kind of hardness, and topaz is a perfect stone to talk about to explain that. And you can check it out in our SciShow Rocks Box subscription!

The continents are moving. When will they collide?

AdultsEnvironmentLifeWorld...
Dig into the science of plate tectonics to find out when the next supercontinent will emerge— and how it could affect Earth’s environment.

Intro to Geology

AdultsEducationLifeScience...
Geology is the study of planet Earth, its origin and evolution, its fundamental structure, the properties of minerals, rocks, and fluids of which it is composed, and the evolution of its biosphere.