what is science ?branches of science

Science, according to dictionary.com is:

a branch of knowledge or study dealing with a
body of facts or truths systematically arranged and showing href="http://dictionary.reference.com/browse/the">the operation of general
laws: the mathematical
sciences.

There are many brances of
science, and different organizations recognize different numbers (or branches) as being
legitimate sciences. Some of the most commonly recognized brances of science are:
Behavioral and Social Science, Biochemistry, Botany, Chemistry, Computer Science, Earth
and Space Science, Enginerring, Enviornmental Science, Gerontology, Math, Medicine and
Health, Microbiology, Physics, and Zoology.
These are only general catagories,
however. Underneath all of these general brances of science are subcatagories: ie:
Underneath Medicine would be Pharmacology, etc.