Anatomy and Physiology

How Far Can a Lion See? An Analysis of Lion Vision

What Is a PPM (Permanent) Pacemaker & How Does It Work?

Why Does Blood Stain? The Science of a Permanent Stain

What Hangs in the Back of the Throat?

Can You Be a Surrogate After Menopause?

Why Is My Period Early? Common Causes & What to Do

What Is the White Stuff in a Deep Cut?

Do Your Eyes Roll Back When You Close Them?

How to Help Your Body Detox From Contrast Dye

Are Crabs Smart? The Science Behind Their Intelligence

How Does Meclizine Help With Balance?

What Happens If You Flex a Muscle Too Hard?

What’s the Minimum Voltage for a Serious Electric Shock?

Can Scar Tissue Pop? What the Sensation Means

What Causes Atrioventricular (AV) Valves to Close?

What Is FADH2 and Its Role in Cellular Energy?

Why Do I Fall Asleep as a Passenger in a Car?

Do All Male Mammals Have Nipples? And Why?

Can Electroconvulsive Therapy Cause Brain Damage?

Can You Get Your Tubes Tied at 23?