14 research outputs found

    Very Cold Gas and Dark Matter

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    We have recently proposed a new candidate for baryonic dark matter: very cold molecular gas, in near-isothermal equilibrium with the cosmic background radiation at 2.73 K. The cold gas, of quasi-primordial abundances, is condensed in a fractal structure, resembling the hierarchical structure of the detected interstellar medium. We present some perspectives of detecting this very cold gas, either directly or indirectly. The H2_2 molecule has an "ultrafine" structure, due to the interaction between the rotation-induced magnetic moment and the nuclear spins. But the lines fall in the km domain, and are very weak. The best opportunity might be the UV absorption of H2_2 in front of quasars. The unexpected cold dust component, revealed by the COBE/FIRAS submillimetric results, could also be due to this very cold H2_2 gas, through collision-induced radiation, or solid H2_2 grains or snowflakes. The γ\gamma-ray distribution, much more radially extended than the supernovae at the origin of cosmic rays acceleration, also points towards and extended gas distribution.Comment: 16 pages, Latex pages, crckapb macro, 3 postscript figures, uuencoded compressed tar file. To be published in the proceeedings of the "Dust-Morphology" conference, Johannesburg, 22-26 January, 1996, D. Block (ed.), (Kluwer Dordrecht

    Advances in combating fungal diseases: vaccines on the threshold

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    Gender and 5-years course of psychosis patients: focus on clinical and social variables

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    Most studies on gender and psychosis have focused on gender differences at illness onset or on the long-term outcome, whereas little is known about the impact of gender on the first years after psychosis onset. A total of 185 first episode psychosis (FEP) patients were followed for 5 years after psychosis onset, and gender differences were explored in psychopathology (PANSS), needs for care (CAN), and insight (SAI-E). Male patients showed more negative symptoms than females over time, whereas female patients showed higher levels of depressive symptoms than males throughout the study period. In addition, female patients presented more functioning unmet needs for care, but higher levels of insight into illness than males. Therapy and rehabilitative programs for FEP patients should be gender-targeted, as gender has proved to impact on psychopathology, needs for care, and insight in the very first years following psychosis onset

    Candida Infections and Modelling Disease

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