Earth Science & Climate

What Was the Climate Like During the Cambrian Period?

Why Is It Colder at Higher Altitudes?

When Does the Okavango Delta Flood?

Are Diamonds Made From Coal? The Real Story

How to Calculate the Dew Point and Why It Matters

What Is a Longshore Current and How Does It Form?

Where to Find Labradorite: From the Field to the Mine

What Is the Land Like Where Mesosaurus Fossils Are Found?

How Fast Is a Comet? From 10,000 to 150,000 MPH

Why Do Stars Flicker Different Colors?