Why Don't We Have More Fossils?
AdultsArchaeologyEvolutionGeologyWhen you see a bunch of fossils in a museum, you might not think about how unlikely it is that they got there. But there's a lot of lucky dice rolls that landed that mastodon in the museum, and researchers are really motivated to find out what factors influence any organism's odds of fossilizing. Here's what we know and what we need to know.
This is the natural disaster to worry about
AdultsEnvironmentGeologyNatural DisastersThe strange natural material that reshaped the world.
What Would Happen If We Just Kept Digging?
AdultsEnvironmentGeologyPhysicsScienceThe deepest hole we've ever been able to dig is just 0.2 percent of the way to the center of the Earth. What would we encounter if we could drill all the way?
You've Never Heard of the World's Most Common Mineral
AdultsEducationScienceWorkWorldEnergyEnvironmentTechnologyGeologyBiologyThe 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
AdultsEducationMathPhysicsScienceGeologySo, 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!
Coastal Geohazards
YouthEnvironmentNatureWorldScienceGeologyNatural DisastersDid you know that one geohazard can domino into another, creating a cascade of chaos?