Light: The Theories of Light
Light is electromagnetic radiation which range from radio waves to gamma rays and it is visible to the human eye.
Category: Science
Forest: Why Forests are being destroyed
Forests are considered the lungs of the earth. They provide people and animals fresh air to breathe.
Physical Health: Importance of Food in the Body
Children below the normal weight are considered underweight. Children above the normal weight are overweight. Both underweight and overweight children do not eat the right kind and right amount of food. This is called malnutrition.
Drugs and their Effects on the Nervous System
Aside from diseases and injuries, the nervous system can also be damaged by the improper use of drugs. A drug is any chemical substance that produces physical, mental, emotional, or behavioral changes in a person. Drugs are harmful if they are not used properly. They should only be taken upon the advice of a doctor. [...]
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