Anatomy and Physiology

Do Bears Have Fur or Hair? The Difference Explained

How Long Is a Rat’s Gestation Period?

What Is the Shape of a Triglyceride?

What Is the Clivus? Location and Function in the Skull

Why Don’t Fish Bleed? A Scientific Explanation

Do Moths Have Noses? How They Smell Without Them

How Is Tooth Enamel Different From Bone?

Why Does the Water Molecule Have Polarity?

Do Clams Have Pain Receptors and Can They Feel Pain?

Why Do Pupils Dilate When You Look at Someone You Love?

What Is the Difference Between Crayfish and Crawfish?

Do Cows Sit? The Science of Their Resting Postures

Can Fruit Flies Be Black? And How to Identify Them

Do Plant and Animal Cells Have Vesicles?

Are Eggs Just Chicken Periods? The Biological Truth

Do Ears Sweat? What Causes Moisture in Your Ears

What Animal Has the Smallest Heart?

Is a Bronco a Specific Type of Horse?

What are the two main types of cellular respiration?

When Is Hibernation Season for Bears?