Lucy Cross

What Is a Perched Water Table and How Does It Form?

How Does Quartz Form? From Magma to Hydrothermal

How Much New Land Has Been Created in Hawaii?

Where Is the Sea of Tranquility Located?

Is the Earth’s Axis Changing? What the Data Shows

How Hot Is the Mantle? Temperature Ranges and Heat Sources

Why We Should Not Colonize Mars

How Deep Is Oil in the Ground?

What Are the Main Tools Paleontologists Use?

What Feeds Lake Powell? The Colorado River and Beyond

How Is Sand Made? From Rocks to Beaches

How Does Quicksand Actually Kill You?

Saharan Dust Cloud: What It Is and Its Global Impact

What Is Sea Surface Temperature (SST) Data?

What Is Black Soil and Why Is It So Fertile?

What Is the Frequency of the Earth?

How to Determine the Dew Point: Methods and Calculations

Earth’s Surface: Composition, Features, and Shaping Forces

What Tools Do Volcanologists Use to Study Volcanoes?

Marine Evolution: The Origins and Diversity of Ocean Life