Lettre à M. Denis Monière

M giants in MACHO , DENIS and ISOGAL

A ‘complete’ sample of 174 M giants classified by Blanco (1986) and later than subtype M0 in the NGC 6522 Baade’s Window clear field has been investigated to establish some general properties of cool Bulge stars. Photometric information has been obtained from the MACHO database to search for variablility and, where possible, to determine periods. Nearand mid-IR magnitudes have been extracted fr...

[Commentaire de la lettre à la rédaction de Max Goyffon « La pénurie de sérums antivenimeux »].

Nous avons lu avec beaucoup d’intérêt la lettre de Max Goyffon [2] qui expose le problème terrible de la pénurie d’antivenins dans le monde et des dizaines de milliers de morts évitables qu’elle entraine, indépendamment de l’arrêt annoncé du FAV-Afrique. Tout en abondant dans le sens du Pr Goyffon, nous aimerions ajouter quelques commentaires. Il est vrai que dans certains cas d’envenimations o...

Denis Pelli

appeared, predator-prey interactions resulted in more selection pressure. Exceptionally preserved fossil occurrences reveal an increase in ecological complexity over time. Escalation in the number of different modes of life includes the exploitation of a greater range of levels above and below the sediment surface (tiering), as well as diversification of feeding mechanisms and modes of locomoti...

Charles Bonnet, Lettres à M. l'Abbé Spallanzani

when Davis et al. in 1962, demonstrated the breakdown of ATP in a single tetanic contraction of a muscle treated with l-fluoro-2, 4-dinitrobenzene. Chapter 15 is devoted to rigor mortis. Preceded by chapters on the general history of respiration (Chapter 16) and of oxidative phosphorylation (Chapter 17), Chapter 18 is concerned with the regulation of carbohydrate metabolism for energy supply to...

Éditorial: Lettre ouverte, pieds mouillés, au Président