Earth & Space

What Is Causing Desertification in Africa?

How Dark Is It at the Bottom of the Ocean?

Where Is the Ocean the Warmest in the World?

Are More Babies Born During a Full Moon?

Do Leaves Change Color in California?

Do Clams Make Diamonds? The Science of Gem Formation

Are Oases Real? The Science Behind These Desert Wonders

What Information Does the Geologic Time Scale Provide?

How Is a Mold Fossil Formed and Preserved in Rock?

What Is a Blackwater River and Why Is It Dark?

What If the Oceans Were Fresh Water?

Are There Gorillas in South Africa? The Geographical Truth

Will We Die When the Sun Explodes? The Facts

Why Are Sedimentary Rocks the Only Rocks That Contain Fossils?

Why Does It Smell Like Maple Syrup Outside?

What Is the Cleanest Ocean in the World?

Can a Human Body Decompose in Space?

What Happened in the Quaternary Period?

What Happens When Rain Falls on Bare Soil?

How Many Hours Between High and Low Tide?