Kevin Holbrook

Where Is the Tropopause and What Does It Do?

What Is Frost Action? The Process of Ice and Earth

Are There Volcanoes in Utah? A Look at the State’s Volcanic Past

What Does a Red Flag Warning Mean for Weather?

What Are Some Consumers in the Coral Reef?

What Is the Invisible Shield Around the Earth Called?

What Color Is the Sunrise and Why?

What Is a Wind Chill Warning and When Is One Issued?

What Are Seismic Hazards? From Shaking to Tsunamis

What Is Variscite Stone? Its Properties and Uses

How Much Money Is Obsidian Worth?

Is There Still Radiation in Japan?

Is a Sea and an Ocean the Same Thing?

How to Find Raw Diamonds: A Beginner’s Guide

What Happens When the Sun and Moon Align?

Is Wind a Form of Weathering or Erosion?

Why Aren’t the Appalachian Mountains as Tall as the Himalayas?

What Is a Salt Wedge and How Does It Form?

Who Discovered Amethyst? From Myth to Modern Science

What Is the Climate Like Near the Equator?