Anatomy and Physiology

Can a Doe Have Antlers? Explaining This Rare Phenomenon

How Long Does a Flea Live Without Food?

Does an IUD Cause Emotional Side Effects?

How to Calculate Your Estimated Energy Requirement

Do Crabs Regrow Claws? The Science of Regeneration

Can Pregnant Women Get Laser Hair Removal?

Why Are Things Spicy? The Science Behind the Sensation

How Long Does a Tooth Extraction Bleed For?

Why Do Tarsiers Kill Themselves? A Biological Explanation

Does a Fish Lay Eggs? How Fish Reproduction Works

How Strong Is the Skull? The Science of Cranial Strength

Why Is My Child’s Body Hot but No Fever?

If My Snot Is Clear, Does It Mean I’m Sick?

How Does a HIDA Scan Work? Procedure and Results

Can Your Period Throw Off Your pH Balance?

The Health Benefits of Magenta Plants and How to Use Them

Do Bulls’ Horns Grow Back After Breaking or Removal?

Can Grizzly Bears Climb Trees? A Scientific Answer

What Color Are Ticks? Identifying Ticks by Color

What Is the L5-S1 Disc and Why Does It Cause Pain?