Evolution & Origins of Life

What Is the Ratchet Effect in Biology and Society?

What New Information Might Cause an Organism to Be Reclassified?

Where Did Leprosy Originate? Tracing Its Ancient Roots

What Scientific Evidence Supports Evolution?

What Extinction Events Did Crinoids Survive?

What a Sexual Selection Graph Reveals About Mating Success

How Did the Dunkleosteus Go Extinct?

Does Broccoli Grow Naturally in the Wild?

Astyanax mexicanus: A Model for Evolution and Health

What Dinosaur Fossil Was Found on Vega Island in 1986?

When Did Malaria Start? Tracing Its Ancient Origins

What Is the Hardy-Weinberg Equation?

What Kinds of Dinosaurs Lived in Maryland?

Scary Sea Creatures That Are Extinct and Why

Do Snakes Have Limbs? An Evolutionary Explanation

How Is Biogeography Useful for Identifying Evolutionary Relationships?

Are There Still Dinosaurs Alive? The Scientific Answer

What Animals Have No Tail and the Reasons Why

Which Birds Can’t Fly? The Science of Flightlessness

What Is the Difference Between Adaptive Radiation & Speciation?