Genetics and Evolution

What Is the Most Aggressive Primate?

Are Jackals and Coyotes the Same Species?

Why Can’t Zebras Be Domesticated Like Horses?

Are Alligators Dinosaurs? Clarifying Their Ancient Link

How Many Daughter Cells Are Formed in Mitosis and Meiosis?

Can Coyotes Mate With Dogs? The Science of Coydogs

What Does Newborn Metabolic Screening Test For?

Which Species of Snakes Don’t Lay Eggs?

Do Twins Run in the Family? The Genetic Connection

What Causes a Peacock to Open Its Feathers?

How to Read and Interpret a Cladogram

What Is the Difference Between a Cladogram and a Phylogenetic Tree?

Why Are Men Hairy? The Science of Male Body Hair

Does the Cystic Fibrosis Allele Protect Against Tuberculosis?

How to Do a Pedigree for Genetic Analysis

What Is Helicase’s Job? Unwinding DNA and More

Are Otters Related to Beavers? A Scientific Look

Which Skeleton Turned Out to Have Parts of an Orangutan?

Why Is the Ratio of Male to Female Births Roughly 50:50?

What Did Dogs Look Like 1000 Years Ago?