Anabolic steroids are male sex hormones, or androgens, that promote muscle growth. Your body produces them naturally, but they can also be produced synthetically in a laboratory. Both men and women …

Have you ever wondered why food loses its flavor when you have a cold? It's not your taste buds' fault. Blame your stuffed-up nose. Seventy to seventy-five percent of what we perceive as taste actuall …

Tears flow from tear glands into your eyes through tiny tear ducts. The tear glands are located under your upper lids, and when stimulated, produce tears to form a thin film over your eyeballs. Every …

…

If you want a sport that puts you under a lot of pressure, try underwater diving. You can even feel some of the effects of pressure in a swimming pool. Down just a few feet underwater, your ears begi …

One of the most important people at any zoo is the veterinarian. Though zoo vets and domestic animal vets go to school for the same amount of time, zoo vets must be familiar with the anatomy and physi …