Anatomy and Physiology

How Many Hairs Grow Out of a Follicle?

Do Snails Leave Their Shell & Could They Survive Without It?

What 4 Elements Make Up 96% of the Human Body?

Do Dark Eyes Absorb More Light? A Biological Answer

Is a Shrimp a Crustacean Shellfish?

Can Ticks Survive Being Flushed Down the Toilet?

Are Elephants’ Trunks Their Noses? More Than Just a Nose

What Are Light Brown Cow Breeds Called?

Why Is Oxygen the Final Electron Acceptor?

How Does a Caterpillar Make a Cocoon?

Do Prokaryotic and Eukaryotic Cells Have DNA?

Why Do Green Eyes Appear to Change Color?

How Long Can a Person Go Without Water?

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

What Is Neural Drive and How Does It Affect Strength?

Can an Eagle Really Pick Up a Human Baby?

How Fast Are Ants Compared to Humans?

Is an Alpaca the Same as a Llama? How to Tell Them Apart

Can Humans Drink Hippo Milk? A Scientific Look at Safety

Is All Hair Dead? The Science of Living vs. Dead Hair