Issue # 72 _ February 2002

Cover

Atoms of gold enter the circuit: Discoveries on nanowires drive research on chips for computers that work on a molecular scale

Study reveals that Brazil's performance is growing, but the advance of knowledge still needs to be incorporated by the productive sector

Change in physical space will have immediate effects on applied research

Researchers from UFRJ Renew quantum physics experiment with photons

New calculations suggest that the tropical ecosystem may absorb less carbon dioxide than it used to be thought

Study of fish that live in caves reveals the mechanisms of progressive differentiation that register their evolution

Researchers report first cases of transmission of the virus by marmosets in Ceará

Identified molecule that may diagnose disease years before it manifests itself

Group from UFRJ opens the way for understanding and holding back the reproduction of prions, which destroy brains and kill

Sensors installed in satellites and aircraft capture information to analyze the soil and to estimate farm crops

Small company launches compact environment for laboratory animals

Study brings innovations for the management of industrial production

Researchers carry out studies on genetic selection and control of the diseases that promise to make bean growing more productive

Study retrace the difficult route of the first women who worked on the Northwest of Brazil railroad, in Bauru

Research shows the old Portuguese language, that left São Paulo in the 17th Century and still survives in the daily language of other states