MEDICINE 

Development of psychotherapy and other
therapeutic methods.

Research work on smallpox and measles.

Production of medical treatment and medical drugs.

Extensive research on properties of scores of drugs.

Distinguished mediastinitis from pleurisy.

Recognized the contagious nature of disease and ability
of disease to spread to water and soil.

Discover the existence of blood capillaries.

Use and discussion of animal psychology and physiology.

Constructed magnificent, well organized, and well equipped
hospitals that, at that time, were unrivaled in the world and whose doors
were open for all the public.

Provided the first detailed study of the human eye.

CHEMISTRY
&
PHARMACY 

Discovered the use of chemistry for medical purposes.

Establishment of the first apothecary shop.

Production of the first pharmacopeadia.

The first to discover and identify three chief acids
: nitric, sulfuric, and hydrochloric.

Discovered the arts of distillation, crystallization,
and oxidation.

Classified substances into mineral, vegetable, and animal
origin.

PHYSICS 

Discovered principle of inertia.

Used and implemented experimental physics.

Used hydrostatic balance.

Discussed phenomena of the expansion of flat objects.

Transformed the study of optics.

Provided the first optical study of the eye ball.

Discovered the reflection of light in the anatomy of
the eye and the the formation of image in the retina.

MATHEMATICS 

Introduced Arabic numerals on basis of Indian numbers.
(Actually the numbers used in the west are originally
Arabic numbers that were used to replace the roman numerals).

Discovered fractions.

Invented logarithms.

Invented the science of Algebra. (Algebra is an Arabic
word meaning binding together).

Revived the science of trigonometry and discovered the
laws of sine's and cosine's.

Related geometry with algebra and sought geometric solutions
for Algebraic problems.

GEOGRAPHY
&
ASTRONOMY 

Muslim geographers contributed their works on physical,
mathematical, topographical, regional, human, historical, descriptive,
and specific geography

They considered the earth as spherical in shape, divided
into two equal parts the equator, and having 360 degrees of circumference,
with 90 degrees from the equator to each pole.
(which is the modern geographical view of the
earth)

Established, correctly, the circumference of the
earth.

Measured the length of the earth and terrestrial degrees.

Devised latitudinal and longitudinal tables for places
throughout the world.

Made detailed study of solar and lunar eclipses and
contributed major works on astronomy.
