Cichlids of the rift lakes

Article Abstract:

The unusually high diversity of cichlid fishes in Lake Tanganyika is a puzzle to scientists. Factors which cause such a diversity include the extremely adaptable double jaws which allow them to feed on various foods and not compete with each other, and their habit of caring for their young in their mouth.

Environmental aspects, Cichlidae, Cichlids, Lake Tanganyika

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That cold mountain air is hard on the lungs

Article Abstract:

Skiers may experience difficulties with respiratory ailments due to lack of moisture in the air, and should carry small vaporizers when travelling. Asthmatic patients who suffer spasms when cold air becomes trapped in the lungs may be relieved by using bronchospasm inhalers.

Health aspects, Care and treatment, Diagnosis, Asthma, Skiing, Skis and skiing, Skis, Respiratory allergy, Respiratory hypersensitivity

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Foreign entanglements, far eastern division

Article Abstract:

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Biography, Portrayals, Rumsfeld, Donald H., Statesmen, Ford, Gerald R., Kissinger, Henry A.

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