Anatomy and Physiology

What Is the Stirrup in the Ear and How Does It Work?

Why Can You Hear the Ocean in a Shell?

How Rare Are Hazel Eyes and What Causes Them?

How Does Carbon Dioxide Move Into the Blood?

Are Cats Actually Faster Than Humans?

Does a Heating Pad Make You Bleed More?

What Does Tattoo Scabbing Look Like?

Where Do B12 Shots Go? Injection Sites & Body Path

Do Hummingbirds Change Color? The Science of Iridescence

Can You Still Get Pregnant If You Ovulate Late?

How Long Does Swelling Last After Quad Tendon Surgery?

Do Worms Have a Nervous System? A Simple Explanation

Does Caffeine Affect Your Bladder? An Explanation

Do Wolf Spiders Need Water? How They Stay Hydrated

Where Does Internal Respiration Take Place?

What Do Crickets Turn Into? From Nymph to Adult

How Long Does Peeled Skin Take to Grow Back?

Why Can’t I Smell My Own Perfume? The Science

Beyond Grey Matter: What Color Is the Human Brain?

Can Stress Cause Swelling in Feet? The Biological Link