Anatomy and Physiology

Why Do I See Red When I Close My Eyes?

Do Komodo Dragons Have Venom or Bacteria?

What Does the Insular Cortex Do in the Human Brain?

What Is the Toe Next to Your Big Toe Called?

Where Is the Ascending Colon Located in the Body?

Are Amphibians Mammals? The Biological Differences

Do Ants Breathe Underwater? How They Survive Submersion

Can You Still Hear After Death? What the Science Says

How Big Can Crawdads Get? Factors & Record Sizes

What Are Peptide Bonds and Why Are They Important?

Do Cottonmouths Lay Eggs? A Look at Live Snake Birth

Do Human Ears Grow Back? The Science of Regeneration

Do Butterfly Wings Heal? The Biological Reason Why

How Many Layers of Nail Cells Construct the Nail Plate?

How Old Can a Snapping Turtle Get?

Are Gorillas Smart? The Evidence for Their Intelligence

How Does a New Nail Grow Back? The Science of Regrowth

What Is the Function of Basophils in Your Immune System?

What Does a Rough ER Do? Its Function in the Cell

Can Porcupines Regrow Their Quills?