How Does REM Sleep Affect Your Body?

REM Sleep or Rapid Eye Movement Sleep is a very important stage for human health. REM Sleep is the stage when your brain is active, dreams occur, and your eyes move back and forth rapidly under your eyelids. During this stage, your brain is very active! The brain organizes information it learned the past day in a …

How Do We See Things And Know What Color They Are?

Let’s start with light. Light can be broken up into a few colors: red, orange, yellow, green, blue, indigo, and violet! When we see white light coming from the Sun or a lightbulb, that white light is all of the rainbow colors together. When the white light hits an object it reflections, or bounces of …

What is Hair And Why Is It Important?

Hair is a strand of string protein that grows out of hair follicles or tiny sacs in your skin. Hair is made up of keratin, the same material your fingernails are made out of. Hair grows through a process of cells dividing and getting pushed out of the follicle. This causes a strand of cells …

Why Does Pollen Give Some People Allergies?

Pollen is a sticky substance that is found inside of most flowering plants. Pollen is in the middle of the flower of the plant. Pollen is attached to long structures called stamens and smaller structures called pistils. This pollen helps make new plants grow through a process called pollination. That is when pollen is transferred …

What Is The Nervous System?

The nervous system is the collection of all the nerves in your body and its function is to receive and send information on what’s going with the body. The nervous system includes your brain and spinal cord. Your brain and spinal cord are the centers where the information is being sent and received. Without the …

How Do SPG Nerves Cause Brain Freezes?

A brain freeze is an informal term for Sphenopalatine Ganglion Neuralgia. It is when the blood vessels in your brain expand to cause a headache! This is all caused SPG nerves. These nerves are at the back of your mouth and are very sensitive to cold foods like ice cream. SPG nerves or the sphenopalatine …

Spectacular Science is on YouTube!