The Gale Encyclopedia of Science covers all major areas of science, engineering, technology, as well as mathematics and the medical and health sciences, while providing a comprehensive overview of current scientific knowledge and technology.
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Sedimentary Environment
Sedimentary environment A sedimentary, or depositional, environment is an area on the Earth's surface, such as a lake or stream, where large volumes of sediment
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True Flies
True flies The true flies are a large and diverse group of commonly observed insects in the order Diptera, comprising more than 100,000 species .
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Acetic Acid
Acetic acid Acetic acid is an organic acid with the chemical formula CH 3 COOH. It is found most commonly in vinegar.
Acetylsalicylic Acid
Acetylsalicylic acid Acetylsalicylic acid, commonly known as aspirin, is the most popular therapeutic drug in the world.
Aircraft
An aircraft is a machine used for traveling through the atmosphere supported either by its own buoyancy or by some sort of engine that propels the ship through the air.
Alluvial Systems
Alluvial systems An alluvial system consists of sediments eroded, transported, and deposited by water flowing in rivers or streams.
Anemia
Anemia means literally lack of blood . In fact it is a reduction in the number of red blood cells, plasma , or packed red blood cells to a level that is lower than
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Anticonvulsants
Anticonvulsants are drugs designed to prevent the seizures or convulsions typical of epilepsy or other convulsant disorders.
Archaeometry
Archaeometry is the analysis of archeological materials using analytical techniques borrowed from the physical sciences and engineering .
