Anatomy and Physiology

How Fast Do Shark Teeth Grow Back?

Can Your Eyeballs Sweat? The Biology of Eye Moisture

Do Rats Sleep at Night? The Nocturnal Nature of Rats

What Is Paracrine Signaling and How Does It Work?

What Is a Fish Scale? The Purpose, Anatomy, and Types

What Does the World Look Like Through a Mantis Shrimp’s Eyes?

What Is the Structure of the Vacuole?

Do Hawks Drink Water? How They Stay Hydrated

What Are the Major Classifications of Fish?

What Is a Snake-Like Fish Called? Eels, Loaches & More

Where Is the Energy in a Glucose Molecule Stored?

Do Spiders Molt? Why and How This Process Works

Why Is the Cell Cycle Important for Growth and Health?

What Is H3O+ and Why Is It Important in Chemistry?

What Is the Role of NADH and FADH2 in Cellular Respiration?

What Percent of Sperm Make It to the Egg?

What Is the Endoneurium? Its Function and Role in Nerves

How Many Muscles Do You Use to Frown?

How to Tell a Worm’s Anterior From Its Posterior End

How Often Do Roaches Reproduce? Rates & Factors