Genetics and Evolution

Can Two Blue-Eyed Parents Have a Brown-Eyed Child?

Echogenic Intracardiac Focus: Should I Be Worried?

Are Foxes Really More Like Cats or Dogs?

How Rare Are Hazel Eyes? The Science Behind the Color

How Many People Have a Widows Peak?

What Are the Disadvantages of Selective Breeding?

Are All Reptiles Born Alive or in Eggs?

What Percentage of Tortoiseshell Cats Are Female?

What Snakes Give Birth to Live Young?

What Is a Codon in DNA and How Does It Build Proteins?

Are Any Butterflies Poisonous? A Look at Toxic Species

Is Hodgkin’s Lymphoma Hereditary? A Look at Genetic Risk

What Is an Auroch? The Extinct Ancestor of Modern Cattle

Are Flamingos Cranes? The Definitive Answer

Why Do Guys Grow Facial Hair? Biology & Evolution

What Is an mRNA Codon and How Does It Direct Protein Production?

How Bees See Flowers and the Colors We Can’t See

How Much Is a Trilobite Fossil Worth?

How Long Does a Gender Blood Test Take to Come Back?

How Can Evolution Be Observed in Mouse Populations?