This paper introduces Quantian, a scientific computing environment. Quantian is directly bootable from cdrom, self-configuring without user intervention, and comprises hundreds of applications, including a significant number of programs that are of immediate interest to quantitative researchers.

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Mitochondrial nucleoids were isolated from microplasmodia of the true slime mould Physarum polycephalum using a discontinuous sucrose gradient following treatment of the mitochondria with Nonidet P-40. Studies of the isolated mitochondrial nucleoids by fluorescence and electron microscopy showed that the isolated structure was morphologically intact when compared with the structure in the mitoc...

A wide variety of monitoring tests are available to help gauge HIV disease progression and the state of overall health. HIV viral load tests provide a picture of viral activity, while CD4 cell counts shed light on the status of the immune system and can help physicians predict—and therefore prevent—the development of opportunistic illnesses (OIs).These tests can help guide treatment decisions a...

The implications of a single world wide standard are profound. It means that any disc made anywhere in the world will play on anybody's CD-I player. If one develops an interactive display for a museum on CD-I, if carefully thought out, it can have a very active life outside the confines of a museum. It can either be sold commercially or be sent as part of a display to any other museum or exhibi...