Genetics and Evolution

Why Are Male Birds More Colorful Than Females?

Why Do Animals Play? The Science Behind the Behavior

Why Are There Gaps in the Fossil Record?

What Is an Adaptation in Biology? Types & Examples

Do Other Species Have Periods? What the Science Says

The Sea Slug That Can Photosynthesize

Why Does X Inactivation Occur? A Biological Explanation

Are Choanoflagellates Multicellular?

Can a Fox and Dog Breed? The Genetic Reality

Are Sheep and Goats Related? A Look at Their Family Tree

What Is a Derived Character in Biology?

Why Won’t Hair Grow on My Chin? Genetics & Health Factors

Is a Caiman an Alligator? Key Differences Explained

What Are Genetic Markers and Their Everyday Uses?

Do You Inherit Hair From Your Mom’s Dad?

Can Sheep Have Horns? Why Some Breeds Do and Others Don’t

What Is Base Excision Repair and How Does It Work?

Where Did Blond Hair Come From? The Science and Evolution

How Is Punctuated Equilibrium Different From Gradualism?

What Is Familial Alzheimer’s Disease?