Anatomy and Physiology

How to Tell if a Snapping Turtle Is Male or Female?

What Is Considered a Normal Pupillary Distance?

Do Birds Have Semen? Bird Reproduction Explained

Can Metronidazole Cause a Late Period?

What Does It Mean When You Sneeze and Pee a Little?

How to Assess Brachial Pulse of an Infant

Why Do They Say Not to Eat or Drink Before Surgery?

How Much PSI Does It Take to Break Skin?

Are Kangaroos Jacked? The Science of Their Physique

How to Read a Heart Monitor Machine

What Happens When You Lick a Frog?

Why Is My Left Ovary Not Visible on Ultrasound During Pregnancy?

Why Are Tears Sticky? The Biology Behind It

How Often to Ventilate With a Bag-Valve-Mask (BVM)?

How Does Biological Death Differ From Clinical Death?

What Causes Undigested Pills in Stool?

Does Color Affect Taste? A Science Fair Project

How Can Someone Live Without a Colon?

What Is a Musculoskeletal Exam & What to Expect?

How Far Can a Whitetail Deer Smell? A Scientific Look