Which is the hardest mineral in the world?
Regional SpecificsDiamond’s Reign: Is It Really the Hardest Mineral? Okay, so you’re wondering about the hardest mineral on Earth, right? For ages, the answer’s been drilled into us: Diamond! And that’s largely thanks to something called the Mohs Hardness Scale. Back in 1812, this German mineralogist, Friedrich Mohs, came up with this clever way to rank
How many active faults are in California?
Regional SpecificsCalifornia’s Fault Lines: A Shaky Situation, But We’re On It California. Sunshine, beaches, Hollywood… and earthquakes. Yep, living here means we’re all pretty familiar with that little rumble now and then. It’s the price we pay for paradise, right? But have you ever stopped to think about just how many fault lines are snaking their
What is biosphere hydrosphere?
Natural EnvironmentsEarth’s Living Skin and the Watery World Within: The Biosphere and Hydrosphere Ever wonder how everything on Earth – from the tallest tree to the tiniest microbe – is connected? It all boils down to a few key spheres, and two of the most important are the biosphere and the hydrosphere. Think of the biosphere
What caused Alaska earthquake today?
Regional SpecificsAlaska’s Shaky Ground: What’s Behind Today’s Earthquake? If you felt a rumble today, and you’re in Alaska, chances are it was another earthquake. Alaska and earthquakes? They go hand in hand, really. But why is that? What makes Alaska such a hotspot for seismic activity? It all boils down to what’s happening deep beneath our
What happens when the Earth’s plates move?
Regional SpecificsThe Earth’s Shifting Plates: Our Restless Planet Ever feel like the ground’s rock solid? Think again! Beneath our feet lies a world in constant motion, a giant jigsaw puzzle of tectonic plates. These massive pieces of Earth’s crust and upper mantle, the lithosphere, are always on the move, inching along thanks to the churning engine
What is the luster of amphibolite?
Regional SpecificsThe Secret Sparkle of Amphibolite: More Than Just a Rock Amphibolite. It’s a mouthful, I know. But this metamorphic rock, common as dirt in some places, is way more interesting than its name suggests. And a big part of that intrigue? Its luster. Think of luster as a rock’s way of flirting with light. It’s