Chemical reactions can cause decomposing bodies to twitch, move, and groan.
In one study, dogs were able to smell a particular test scent a thousand times better than humans!
All those little bubbles are popping on my tongue, and it makes that fizzy tingling you feel.
Most reflexes do not involve the brain; they are fast, involuntary responses that travel over what is known as a reflex arc.
Most people know illnesses like intestinal upsets can be caused by bacteria. They don't link bacteria with an illness like multiple sclerosis.
Have you ever noticed that Siamese cats are cross-eyed? In fact, that's the only way a Siamese cat can see straight.
Try this interesting experiment! This psychological phenomenon is known as the two-point threshold, and it can be used to test for nerve damage.
Those tiny dots are actually blood cells moving in the retina of your eye.
Why do hands and feet sweat so much? How do hormones and the nervous system control the body's cooling system?