How to Use a Thermometer to Check a Fever

If you think you or your child may have a fever, you need to check the temperature. If you do need to call the doctor, he will need to know how high your fever is. So, be sure you know how to take a proper temperature. After all, there are several different types of thermometers and it is easier to get it wrong than you may think.

First, we will review the different types of thermometers.
Oral - digital or manual
Rectal - digital or manual
Axillary - digital or manual
Tympanic - digital...

Definition for Science

The word science comes from the Latin "scientia," meaning knowledge.

How do we define science? According to Webster's New Collegiate Dictionary, the definition of science is "knowledge attained through study or practice," or "knowledge covering general truths of the operation of general laws, esp. as obtained and tested through scientific method [and] concerned with the physical world."

What does that really mean? Science refers to a system of acquiring knowledge. This system uses...