Gale Encyclopedia of Science
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.
Section :
Phototropism
Phototropism is the orientation of an organism in response to asymmetric illumination.
Screamers
Screamers are three species of large birds in the family Anhimidae. This family is in the order Anseriformes, which also includes the ducks , geese , and swans
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Planet X
Is there another planet beyond Pluto ? Prior to 1781 that question could have been asked in regard to Saturn .
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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Potassium Aluminum Sulfate
Potassium aluminum sulfate Potassium aluminum sulfate is chemical which conforms to the general formula KAl(SO 4 ) 2 .
Sleep Disorders
Sleep disorders Sleep disorders are chronic sleep irregularities, which drastically interfere with normal nighttime sleep or daytime functioning.
Printing
History of printing Although a technology in which seals were first pressed into damp clay tablets is known to have been used by the Babylonians, the Chinese probably
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Sodium Hypochlorite
Sodium hypochlorite Sodium hypochlorite (NaOCl) is a chemical compound consisting of sodium, oxygen , and chlorine that has been used for centuries for
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Spacecraft, Manned
Spacecraft, manned Manned spacecraft are vehicles that can transport human beings outside the Earth's atmosphere.
Quetzal
The quetzal ( Pharomachrus mocinno ), also known as the resplendent quetzal or magnificent quetzal, is an astonishingly beautiful bird of tropical forests .
MyWire Reference Collection
Permafrost
Geologists define permafrost as soil layers or rock and soil combinations that remain frozen (i.e., remain below the specific freezing temperature unique to the exact
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Saiga Antelope
Saiga antelope The saiga antelope ( Saiga tatarica ) is a relatively northern, Eurasian antelope in the family Bovidae.
Petrels and Shearwaters
Petrels and shearwaters Petrels and shearwaters are wide-ranging oceanic birds with a characteristic tubenose and other specialized features that equip them well for a
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Salamanders
Salamanders and newts are aquatic or amphibious animals in the order Caudata (sometimes known as the Urodela).
Phalangers
Phalangers are a small group of arboreal mammals belonging to the family Phalangeridae, of which 20 species are recognized in six genera.
Salmon
Salmon are various species of medium-sized, fusiform (a vertically compressed, torpedo shape) fish with small scales.
Petroglyphs and Pictographs
Petroglyphs and pictographs In archaeology , petroglyphs and pictographs are terms used to describe forms of "rock art." Petroglyph refers to a rock carving or etching,
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