Evolution & Origins of Life

Are Fish Really Fish? The Biological Answer

Why Do Penguins Have Wings Used as Flippers?

How Does Behavioral Isolation Lead to Speciation?

What Did the First Prehistoric Fish Look Like?

Do Apes Laugh? The Evolutionary Roots of Their Laughter

Why Did Humans Lose Body Hair but Keep Hair on Our Heads?

Are Bears Part of the Dog Family? A Scientific Look

Where Did the Pachycephalosaurus Live?

How Long Have Ants Been Around on Earth?

Where Did Octopuses Come From? The Evolutionary Origin

Demic Diffusion: How Human Migration Shaped Our World

How Much Does a Parasaurolophus Weigh?

Are Hyenas More Closely Related to Cats or Dogs?

Why Are Turtles Reptiles and Not Amphibians?

What Might Aliens Look Like? A Scientific Perspective

What Is Altruistic Punishment and Why Is It Important?

Is There a Cat Dog Hybrid? The Biological Truth

What Are Plesiosaurs? Ancient Marine Reptiles Explained

Does a Duck Have a Penis? The Surprising Answer

What Does Darwin’s “I Think” Sketch Represent?