Evolution & Origins of Life

What Is an Exaptation? Definition and Examples

How the Petri Dish Experiment Proved Evolution

What Is Chemical Evolution? From Molecules to Life

Do Humans Have Predator Eyes?

What Dinosaur Has Spikes on Its Tail?

How Long Have Alligators Been in Florida?

What Is the “Mystery of Mysteries” in Biology?

How to Read a Phylogenetic Tree

Where Did Termites Come From? Their Evolutionary Origins

How Does Genetic Variation Allow Humans to Survive Long-Term?

What Evolved From Prokaryotes? The Path to Complex Life

Where Is Life Suggested to Have Begun?

If Humans Evolved, Why Are There Still Apes?

Why Are Kids Cute? The Science Behind the Baby Schema

Can Directional Selection Lead to Speciation?

What Dinosaurs Lived in Mississippi?

What Is the Purpose of a Peacock’s Tail?

What Does the Position of the Nodes Tell You?

How Natural Selection Depends on the Environment

Why Are Most Social Mammals Less Cooperative Than Humans?