Anatomy and Physiology

Why Are Some Babies Born With Hair?

Which Is Tooth 4? A Look at Dental Numbering Systems

What Would Happen if a Man Took Birth Control Pills?

Why Don’t Women Go Bald? The Biological Reasons

How Deep Can a Sperm Whale Dive? And How Do They Survive?

Does a Rooster Need to Fertilize an Egg?

How Long Are Butterflies in a Cocoon or Chrysalis?

How Big Can a Hornet Get? A Look at the Largest Species

Do Cats Have Consciousness? What the Science Says

What Sounds Do Tigers Make and What Do They Mean?

What Color Are Ducks? The Science of Their Feathers

Can Dehydration Cause a Sore Throat?

Are Horses Bovine? The Key Differences Explained

How Fast Is a Scorpion and What Affects Their Speed?

What Does the Dentist Numb You With & How Does It Work?

Is 16/16 Vision Good? What It Means for Your Eyes

Why You Have Shoulder Pain and Can’t Do Push-ups

Why Does Sugar Make My Headache Go Away?

Can You Be Pregnant and Still Have a Period?

How Did the Headless Chicken Survive?